<?php 
###################################################################################################
# Aastra XML API - AastraIPPhone.php
# Copyright Mitel Networks 2005-2015
#
# This file includes common functions to be used with the Aastra XML API.
#
# Public functions
#     Aastra_decode_HTTP_header()
#        This function decodes the HTTP header of an XML GET coming from the phone and returns all the
#        information.
#     Aastra_escape_encode($string)
#        Escape encode a string for XML compliancy
#     Aastra_escape_decode(string)
#        Escape decode a string for XML compliancy
#     Aastra_test_phone_version(version,type,header=NULL)
#        This function tests if the phone version is at least a certain version.
#     Aastra_test_phone_model(models,check,type)
#        This function checks if the current phone is part of the list of supported phones for this 
#        application.
#     Aastra_is_wrap_title_supported(header)
#     Aastra_is_style_textmenu_supported(header)
#     Aastra_is_formattedtextscreen_supported(header)
#     Aastra_is_multipleinputfields_supported(header)
#     Aastra_is_icons_supported(header)
#     Aastra_is_pixmap_graphics_supported(header)
#     Aastra_is_png_graphics_supported(header)
#     Aastra_is_fastreboot_supported(header)
#     Aastra_is_ledcontrol_supported(header)
#     Aastra_is_configuration_supported(header)
#     Aastra_is_lockin_supported(header)
#     Aastra_is_emptyphoneexecute_supported(header)
#     Aastra_is_triggerdestroyonexit_supported(header)
#     Aastra_is_softkeys_supported(header)
#     Aastra_number_softkeys_supported(header)
#     Aastra_is_doneaction_supported(header)
#     Aastra_is_Answer_key_supported(header)
#     Aastra_is_Refresh_supported(header)
#     Aastra_is_textmenu_wrapitem_supported(header)
#     Aastra_is_local_reset_supported(header)
#     Aastra_is_allow_DTMF_supported(header)
#     Aastra_is_play_wav_supported(header)
#     Aastra_is_sip_notify_supported(header)
#     Aastra_is_keypress_supported(header)
#     Aastra_is_dialkey_supported(header)
#     Aastra_is_dial2key_supported(header)
#     Aastra_is_dialuri_supported(header)
#     Aastra_is_timeout_supported(header)
#     Aastra_is_datetime_input_supported(header)
#     Aastra_is_dynamic_sip_supported(header)
#     Aastra_is_formattedtextscreen_color_supported(header)
#     Aastra_is_lockincall_supported(header)
#     Aastra_size_formattedtextscreen()
#         Returns the number of lines available for formatted text screen
#     Aastra_size_display_line()
#         Returns the number of characters per line on the display
#     Aastra_size_graphical_display(mode,header)
#     Aastra_get_custom_icon(icon_name)
#         Returns hex representation of icon matching the given name. If no icon found, empty icon is returned.
#     Aastra_push2phone(server,phone,data)
#         Push an XML object to the phone.
#     Aastra_getvar_safe(var_name,default,method)
#         This function helps protect against injection style attacks by formatting the variable value.
#     Aastra_getphone_fingerprint()
#         This function returns the phone fingerprint which is a md5 hash of its model, MAC address and 
#         IP address.
#     Aastra_phone_type()
# 	   This function returns the type of phone for an XML perspective.
#
# Private functions
#     None
###################################################################################################

###################################################################################################
# Aastra_decode_HTTP_header()
#
# This function decodes the HTTP header of an XML GET coming from the phone and returns all the
# information.
#
# Parameters
#   None
#
# Returns an array
#   'model' 	  Phone Model
#   'mac' 		  Phone MAC Address
#   'firmware' 	Phone firmware version
#   'ip' 		    Phone Remote IP address
#   'language'	Phone Language 
#   'module'[x] Expansion Modules
#   'minet'	    Boolean for Minet firmware
#   'rp'		    Boolean for RP set
###################################################################################################
function Aastra_decode_HTTP_header()
{
	Global $TEST;

	# Debug mode
	if($TEST) {
	 	# Calculate fake mac address suffix based on client's source address 
 		$fake_mac_suffix = strtoupper(substr(md5(Aastra_getvar_safe('REMOTE_ADDR','','SERVER')),0,6));
	 	$array=array(	'model'=>'Mitel6930',
  	 							'mac'=>'00085D'.$fake_mac_suffix,
					   			'firmware'=>'5.0.0',
									'ip'=>Aastra_getvar_safe('REMOTE_ADDR','','SERVER'),
									'language'=>'en',
									'minet'=>False,
									'rp'=>False
								);
		return($array);
	}

	# User Agent
	$user_agent=Aastra_getvar_safe('HTTP_USER_AGENT','','SERVER');
	$minet=False;
	if(stristr($user_agent,'Aastra') or stristr($user_agent,'Mitel')) {
		$count=0;
		$user_agent=str_replace('MitelMINET_','Mitel',$user_agent,$count);
	  if($count>0) $minet=True;
		$value=preg_split('/ MAC:/',$user_agent);
		$fin=preg_split('/ /',$value[1]);
		$value[1]=preg_replace('/\-/','',$fin[0]);
		$value[2]=preg_replace('/V:/','',$fin[1]);
	} else	{
		$value[0]='MSIE';
		$value[1]='NA';
		$value[2]='NA';
	}

	# Modification for RP phones
	$rp=False;
	if(strstr($value[0],'RP')) {
		$rp=True;
		$value[0]=preg_replace(array('/67/','/ RP/'),array('',''),$value[0]);
	}

	# Modules
	$module[1]=Aastra_getvar_safe('HTTP_X_AASTRA_EXPMOD1','','SERVER');
	$module[2]=Aastra_getvar_safe('HTTP_X_AASTRA_EXPMOD2','','SERVER');
	$module[3]=Aastra_getvar_safe('HTTP_X_AASTRA_EXPMOD3','','SERVER');

	# Create array
	$array=array(	'model'=>$value[0],
								'mac'=>$value[1],
								'firmware'=>$value[2],
								'ip'=>Aastra_getvar_safe('REMOTE_ADDR','','SERVER'),
								'module'=>$module,
								'language'=>Aastra_getvar_safe('HTTP_ACCEPT_LANGUAGE','','SERVER'),
								'minet'=>$minet,
								'rp'=>$rp
							);
	return($array);
}

###################################################################################################
# Aastra_escape_encode($string)
#
# Escape encode a string for XML compliancy
#
# Parameters
#   @string 		string to encode
# 
# Returns
#   Encoded string
###################################################################################################
function Aastra_escape_encode($string)
{
	return(str_replace(	array('<', '>', '&'),
											array('&lt;', '&gt;', '&amp;'),
											$string
										));
}

###################################################################################################
# Aastra_escape_decode(string)
#
# Escape decode a string for XML compliancy
# 
# Parameters
#   @string 	string to decode
#
# Returns
#   Decoded string
###################################################################################################
function Aastra_escape_decode($string)
{
	return(str_replace(	array('&lt;', '&gt;', '&amp;'),
											array('<', '>', '&'),
											$string
										));
}

###################################################################################################
# Aastra_test_phone_version(version,type,header=NULL)
#
# This function tests if the phone version is at least a certain version.
#
# Parameters
#   @version 		minimum phone version '1.3.1.'
#   @type 		if 0 then function takes care of the error messages
#         		if 1 then the result of the test is sent back, no display 
#   @header		info header if you want to test a different phone (optional)
# Returns
#   0 everything is fine
#   1 Not an Aastra phone
#   2 Wrong firmware version
###################################################################################################
function Aastra_test_phone_version($version,$type,$header=NULL)
{
	# OK by default
	$return=0;

	# Start with the HTTP header
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Must be an Aastra/Mitel
	if(stristr($header['model'],'Aastra') or stristr($header['model'],'Mitel'))	{
		# Always OK for Minet phones
		if(!$header['minet']) {
	  	# Retrieve firmware version
		  $phone_version=$header['firmware'];
  		$piece=preg_split("/\./",$phone_version);	
		  $count=count($piece)-1;
			$phone_version=$piece[0]*100;
			if($count>1)$phone_version+=$piece[1]*10;
			if($count>2)$phone_version+=$piece[2];
			$piece=preg_split("/\./",$version);	
			$count=count($piece)-1;
			$test_version=$piece[0]*100;
			if($count>1)$test_version+=$piece[1]*10;
			if($count>2)$test_version+=$piece[2];

			# Compare to passed version
			if($test_version>$phone_version) {
				$return=2;
				if($type==0) {
					$output = "<AastraIPPhoneTextScreen>\n";
					$output .= "<Title>Firmware not compatible</Title>\n";
					$output .= "<Text>This XML application needs firmware version $version or better.</Text>\n";
					$output .= "</AastraIPPhoneTextScreen>\n";
					header('Content-Type: text/xml');
					header('Content-Length: '.strlen($output));
					echo $output;
					exit;
				}
			}
		}
	} else 	{
		$return=1;
		if($type==0) {
			echo "This XML application works better when using a Mitel IP phone, not a Web browser.<p>See <a href=\"http://www.mitel.com/node/35841\">here</a> for instructions and information.<p>Copyright Mitel Networks 2005-2014.";
			exit;
		}
	}

	# Return results
	return($return);
}

###################################################################################################
# Aastra_test_phone_versions(versions,type,header=NULL)
#
# This function tests if the phone version is at least a certain version.
#
# Parameters
#   @version 		array of minimum phone version '1.3.1.' for each phone type ('1'=>'1.3.1')
#   @type 		if 0 then function takes care of the error messages
#         		if 1 then the result of the test is sent back, no display 
#   @header		info header if you want to test a different phone (optional)
#
# Phone types
#	1=9112i,9133i
#	2=480i,480i Cordless
#	3=6730i,6731i,6751i,6753i,9143i,6863i,6865i
#	4=6755i,6757i,6757iCT,9480i,9480iCT,6735i,6737i,6867i,6869i,6873i
#	5=6739i, Aastra8000i
#
# Returns
#   0 everything is fine
#   1 Not an Aastra phone
#   2 Wrong firmware version
#
# Example
#   Aastra_test_phone_versions(array('1'=>'1.4.2.','2'=>'1.4.2.','3'=>'2.5.3.','4'=>'2.5.3.','5'=>'3.0.1.'),'0');
###################################################################################################
function Aastra_test_phone_versions($versions,$type,$header=NULL)
{
# Start with the HTTP header
if(!$header) $header=Aastra_decode_HTTP_header();

# Retrieve phone type and requested version
$model_type=Aastra_phone_type($header);

# Perform the check
if(($versions[$model_type]) or ($model_type=='0')) return(Aastra_test_phone_version($versions[$model_type],$type,$header));
else 
	{
	switch($model_type)
		{
		case '1':
			$models=array('Aastra9112i','Aastra9133i');
			break;
		case '2':
			$models=array('Aastra480i','Aastra480i Cordless');
			break;
		case '3':
			$models=array('Aastra6730i','Aastra6731i','Aastra51i','Aastra53i','Aastra6863i','Aastra6865i');
			break;
		case '4':
			$models=array('Aastra55i','Aastra57iCTi','Aastra9480i','Aastra9480iCT','Aastra6735i','Aastra6737i','Aastra6867i','Aastra6869i','Aastra6873i','Aastra6920','Aastra6930','Aastra6940','Mitel6920','Mitel6930','Mitel6940');
			break;
		case '5':
			$models=array('Aastra6739i','Aastra8000i');
			break;
		}
	return(Aastra_test_phone_model($models,False,$type));
	}
}

###################################################################################################
# Aastra_test_phone_model(models,check,type)
#
# This function checks if the current phone is part of the list of supported phones for this 
# application.
#
# Parameters
#    @models 	array with the list of supported or not supported phones
#    @check 	boolean that indicates if True or False is expected
#    @type 	if 0 then function takes care of the error messages
#       	if 1 then the result of the test is displayed 
# 
# Returns
#   Boolean
#
# Example
#   Aastra_test_phone_model(array('Aastra55i','Aastra57i'),True,0)
#     True if the phone is an Aastra55i or an Aastra57i
###################################################################################################
function Aastra_test_phone_model($models,$check,$type)
{
	Global $TEST;

	# Debug mode
	if($TEST) return True;

	# Get phone characteristics
	$header=Aastra_decode_HTTP_header();
	if(in_array($header['model'],$models)==$check) return True;
	else {
		if($type==0) {
			$output = "<AastraIPPhoneTextScreen>\n";
			$output .= "<Title>Phone not supported</Title>\n";
			$output .= "<Text>This XML application is not supported by your phone.</Text>\n";
			$output .= "</AastraIPPhoneTextScreen>\n";
			header('Content-Type: text/xml');
			header('Content-Length: '.strlen($output));
			echo $output;
			exit;
		}
		return False;
	}
}

###################################################################################################
# Aastra_is_wrap_title_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_wrap_title_supported($header=NULL)
{
	# True by default
	$return=True;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Test the model
	switch($header['model']) {
		case 'Aastra9112i':
		case 'Aastra9133i':
		case 'Aastra480i':
		case 'Aastra480i Cordless':
			$return=False;
			break;
	}

	# Return Result
	return($return);
}

###################################################################################################
# Aastra_is_icon_menu_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_icon_menu_supported($header=NULL)
{
	# True by default
	$return=False;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Test the model
	switch($header['model']) {
		case 'Aastra8000i':
			$return=True;
			break;
	}

	# Return Result
	return($return);
}

###################################################################################################
# Aastra_is_top_title_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_top_title_supported($header=NULL)
{
	# False by default
	$return=False;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Test the model
	switch($header['model']) {
		case 'Aastra8000i':
		case 'Aastra6867i':
		case 'Aastra6869i':
		case 'Aastra6873i':
		case 'Aastra6920':
		case 'Aastra6930':
		case 'Aastra6940':
		case 'Mitel6920':
		case 'Mitel6930':
		case 'Mitel6940':
			$return=True;
			break;
 		case 'Aastra6739i':
   		if(Aastra_test_phone_version('3.3.1.',1,$header)==0) $return=True;
    	break;
	}

	# Return Result
	return($return);
}


###################################################################################################
# Aastra_is_style_textmenu_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_style_textmenu_supported($header=NULL)
{
	# True by default
	$return=True;

	# Get header info
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Test model/version
	switch($header['model']) {
		case 'Aastra9112i':
		case 'Aastra9133i':
		case 'Aastra480i':
		case 'Aastra480i Cordless':
			if(Aastra_test_phone_version('1.4.2.',1,$header)!=0) $return=False;
			else $return=True;
			break;
		case 'Aastra6867i':
		case 'Aastra6869i':
		case 'Aastra6873i':
		case 'Aastra6920':
		case 'Aastra6930':
		case 'Aastra6940':
		case 'Mitel6920':
		case 'Mitel6930':
		case 'Mitel6940':
		case 'Aastra6739i':
		case 'Aastra8000i':
			$return=False;
			break;
	}

	# Return Result
	return($return);
}

###################################################################################################
# Aastra_is_formattedtextscreen_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_formattedtextscreen_supported($header=NULL)
{
	# True by default
	$return=True;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Test model/version
	switch($header['model']) {
		case 'Aastra9112i':
		case 'Aastra9133i':
		case 'Aastra480i':
		case 'Aastra480i Cordless':
			$return=False;
			break;
		case 'Aastra6739i':
			if(Aastra_test_phone_version('3.0.1.',1,$header)!=0) $return=False;
			break;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_multipleinputfields_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_multipleinputfields_supported($header=NULL)
{
	# False by default
	$return=False;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Test model/version
	switch($header['model']) {
		case 'Aastra55i':
		case 'Aastra57i':
		case 'Aastra57iCT':
		case 'Aastra9480i':
		case 'Aastra9480iCT':
			if(Aastra_test_phone_version('2.0.2.',1,$header)==0) $return=True;
			break;
		case 'Aastra6735i':
		case 'Aastra6737i':
		case 'Aastra6867i':
		case 'Aastra6869i':
		case 'Aastra6873i':
		case 'Aastra6920':
		case 'Aastra6930':
		case 'Aastra6940':
		case 'Mitel6920':
		case 'Mitel6930':
		case 'Mitel6940':
			$return=True;
			break;
		case 'Aastra6739i':
			if(Aastra_test_phone_version('3.0.1.',1,$header)==0) $return=True;
			break;
		case 'Aastra8000i':
			$return=True;
		break;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_icons_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_icons_supported($header=NULL)
{
	# False by default
	$return=False;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Test Model/version
	switch($header['model']) {
		case 'Aastra55i':
		case 'Aastra57i':
		case 'Aastra57iCT':
		case 'Aastra9480i':
		case 'Aastra9480iCT':
			if(Aastra_test_phone_version('2.0.2.',1,$header)==0) $return=True;
			break;
		case 'Aastra6735i':
		case 'Aastra6737i':
		case 'Aastra6867i':
		case 'Aastra6869i':
		case 'Aastra6873i':
		case 'Aastra6920':
		case 'Aastra6930':
		case 'Aastra6940':
		case 'Mitel6920':
		case 'Mitel6930':
		case 'Mitel6940':
			$return=True;
			break;
		case 'Aastra6739i':
			if(Aastra_test_phone_version('3.2.0.',1,$header)==0) $return=True;
			break;
		case 'Aastra8000i':
			$return=True;
			break;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_dot_icons_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_dot_icons_supported($header=NULL)
{
	# False by default
	$return=False;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Test Model/version
	switch($header['model']) {
		case 'Aastra55i':
		case 'Aastra57i':
		case 'Aastra57iCT':
		case 'Aastra9480i':
		case 'Aastra9480iCT':
			if(Aastra_test_phone_version('2.0.2.',1,$header)==0) $return=True;
			break;
		case 'Aastra6735i':
		case 'Aastra6737i':
			$return=True;
			break;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_graphic_icons_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_graphic_icons_supported($header=NULL)
{
	# False by default
	$return=False;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Test Model/version
	switch($header['model']) {
		case 'Aastra6867i':
		case 'Aastra6869i':
		case 'Aastra6873i':
		case 'Aastra6920':
		case 'Aastra6930':
		case 'Aastra6940':
		case 'Mitel6920':
		case 'Mitel6930':
		case 'Mitel6940':
			$return=True;
			break;
		case 'Aastra6739i':
			if(Aastra_test_phone_version('3.2.0.',1,$header)==0) $return=True;
			break;
		case 'Aastra8000i':
			$return=True;
			break;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_pixmap_graphics_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_pixmap_graphics_supported($header=NULL)
{
	# False by default
	$return=False;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Test Model/Version
	switch($header['model']) {
		case 'Aastra55i':
		case 'Aastra57i':
		case 'Aastra57iCT':
			if(Aastra_test_phone_version('2.2.0.',1,$header)==0) $return=True;
			break;
		case 'Aastra6735i':
		case 'Aastra6737i':
			$return=True;
			break;
		case 'Aastra8000i':
			$return=True;
			break;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_png_graphics_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_png_graphics_supported($header=NULL)
{
	# False by default
	$return=False;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Test Model/Version
	switch($header['model']) {
		case 'Aastra6739i':
			if(Aastra_test_phone_version('3.2.0.',1,$header)==0) $return=True;
			break;
		case 'Aastra6867i':
		case 'Aastra6869i':
		case 'Aastra6873i':
		case 'Aastra6920':
		case 'Aastra6930':
		case 'Aastra6940':
		case 'Mitel6920':
		case 'Mitel6930':
		case 'Mitel6940':
		case 'Aastra8000i':
			$return=True;
			break;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_jpeg_graphics_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_jpeg_graphics_supported($header=NULL)
{
	# False by default
	$return=False;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Test Model/Version
	switch($header['model']) {
		case 'Aastra6739i':
			if(Aastra_test_phone_version('3.2.1.',1,$header)==0) $return=True;
			break;
		case 'Aastra8000i':
			$return=True;
			break;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_status_uri_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_status_uri_supported($header=NULL)
{
	# False by default
	$return=False;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Test Model/Version
	switch($header['model']) {
		case 'Aastra6739i':
			if(Aastra_test_phone_version('3.2.1.',1,$header)==0) $return=True;
			break;
		case 'Aastra8000i':
			$return=True;
			break;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_fastreboot_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_fastreboot_supported($header=NULL)
{
	# False by default
	$return=False;

	# Test version
	if(Aastra_test_phone_version('2.0.2.',1,$header)==0) $return=True;

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_ledcontrol_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_ledcontrol_supported($header=NULL)
{
	# False by default
	$return=False;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Version OK?
	if(Aastra_test_phone_version('2.0.2.',1,$header)==0) {
		# Test model
		switch($header['model']) {
			case 'Aastra51i':
			case 'Aastra9480i':
			case 'Aastra9480iCT':
				break;
			default:
				$return=True;
				break;
		}
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_configuration_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_configuration_supported($header=NULL)
{
	# False by default
	$return=False;

	# Check version
	if(Aastra_test_phone_version('2.0.1.',1,$header)==0) $return=True;

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_lockin_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_lockin_supported($header=NULL)
{
	# False by default
	$return=False;

	# Check version
	if(Aastra_test_phone_version('2.0.1.',1,$header)==0) $return=True;

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_emptyphoneexecute_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_emptyphoneexecute_supported($header=NULL)
{
	# False by default
	$return=False;

	# Check version
	if(Aastra_test_phone_version('2.0.1.',1,$header)==0) $return=True;

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_triggerdestroyonexit_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_triggerdestroyonexit_supported($header=NULL)
{
	# False by default
	$return=False;

	# Check version
	if(Aastra_test_phone_version('2.0.1.',1,$header)==0) $return=True;

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_softkeys_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_softkeys_supported($header=NULL)
{
	# False by default
	$return=False;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Check Model/Version
	switch($header['model']) {
		case 'Aastra480i':
		case 'Aastra480i Cordless':
		case 'Aastra55i':
		case 'Aastra57i':
		case 'Aastra57iCT':
		case 'Aastra9480i':
		case 'Aastra9480iCT':
		case 'Aastra6735i':
		case 'Aastra6737i':
		case 'Aastra6739i':
		case 'Aastra6867i':
		case 'Aastra6869i':
		case 'Aastra6873i':
		case 'Aastra6920':
		case 'Aastra6930':
		case 'Aastra6940':
		case 'Mitel6920':
		case 'Mitel6930':
		case 'Mitel6940':
		case 'Aastra8000i':
			$return=True;
		break;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_graphical_display(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_graphical_display($header=NULL)
{
	# False by default
	$return=False;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Check Model/Version
	switch($header['model']) {
		case 'Aastra6739i':
		case 'Aastra6867i':
		case 'Aastra6869i':
		case 'Aastra6873i':
		case 'Aastra6920':
		case 'Aastra6930':
		case 'Aastra6940':
		case 'Mitel6920':
		case 'Mitel6930':
		case 'Mitel6940':
		case 'Aastra8000i':
			$return=True;
			break;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_number_physical_softkeys_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Number of physical softkeys 4, 6 or 10
###################################################################################################
function Aastra_number_physical_softkeys_supported($header=NULL)
{
	# No by default
	$return=0;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Check Model/Version
	switch($header['model']) {
		case 'Aastra6867i':
		case 'Aastra6920':
		case 'Mitel6920':
			$return=4;
			break;
		case 'Aastra6869i':
		case 'Aastra6930':
		case 'Mitel6930':
			$return=5;
			break;
		case 'Aastra480i':
		case 'Aastra480i Cordless':
		case 'Aastra55i':
		case 'Aastra57i':
		case 'Aastra57iCT':
		case 'Aastra9480i':
		case 'Aastra9480iCT':
		case 'Aastra6735i':
		case 'Aastra6737i':
		case 'Aastra6873i':
		case 'Aastra6940':
		case 'Mitel6940':
			$return=6;
			break;
		case 'Aastra6739i':
		case 'Aastra8000i':
			$return=10;
			break;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_number_softkeys_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Number of softkeys 6 or 10
###################################################################################################
function Aastra_number_softkeys_supported($header=NULL)
{
	# No by default
	$return=0;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Check Model/Version
	switch($header['model']) {
		case 'Aastra480i':
		case 'Aastra480i Cordless':
		case 'Aastra55i':
		case 'Aastra57i':
		case 'Aastra57iCT':
		case 'Aastra9480i':
		case 'Aastra9480iCT':
		case 'Aastra6735i':
		case 'Aastra6737i':
		case 'Aastra6867i':
		case 'Aastra6920':
		case 'Mitel6920':
			$return=6;
			break;
		case 'Aastra6869i':
		case 'Aastra6930':
		case 'Mitel6930':
			$return=8;
			break;
		case 'Aastra6739i':
		case 'Aastra8000i':
		case 'Aastra6873i':
		case 'Aastra6940':
		case 'Mitel6940':
			$return=10;
		break;
	}

	# Return result
	return($return);
}


###################################################################################################
# Aastra_is_doneaction_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_doneAction_supported($header=NULL)
{
	# False by default
	$return=False;

	# Check version
	if(Aastra_test_phone_version('2.1.0.',1,$header)==0) $return=True;

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_Answer_key_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_Answer_key_supported($header=NULL)
{
	# False by default
	$return=False;

	# Check version
	if(Aastra_test_phone_version('2.1.0.',1,$header)==0) $return=True;

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_Refresh_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_Refresh_supported($header=NULL)
{
	# False by default
	$return=False;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Depending on the phone
	switch($header['model']) {
		case 'Aastra6739i':
			if(Aastra_test_phone_version('3.2.0.',1,$header)==0) $return=True;
			break;
		case 'Aastra8000i':
			$return=True;
			break;
		default:
			if(Aastra_test_phone_version('2.0.2.',1,$header)==0) $return=True;
			break;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_textmenu_wrapitem_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_textmenu_wrapitem_supported($header=NULL)
{
	# False by default
	$return=False;

	# Check version
	if(Aastra_test_phone_version('2.2.0.',1,$header)==0) $return=True;

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_local_reset_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_local_reset_supported($header=NULL)
{
	# False by default
	$return=False;

	# Check version
	if(Aastra_test_phone_version('2.3.0.',1,$header)==0) $return=True;

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_allow_DTMF_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_allow_DTMF_supported($header=NULL)
{
	# False by default
	$return=False;

	# Check version
	if(($header['model']!='Aastra8000i') and (Aastra_test_phone_version('2.3.0.',1,$header)==0)) $return=True;

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_play_wav_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_play_wav_supported($header=NULL)
{
	# False by default
	$return=False;

	# Check version
	if(Aastra_test_phone_version('2.3.0.',1,$header)==0) $return=True;

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_sip_notify_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_sip_notify_supported($header=NULL)
{
	# False by default
	$return=False;

	# Check version
	if(($header['model']!='Aastra8000i') and (Aastra_test_phone_version('2.3.0.',1,$header)==0)) $return=True;

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_keypress_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_keypress_supported($header=NULL)
{
	# False by default
	$return=False;

	# Check version
	if(($header['model']!='Aastra8000i') and (Aastra_test_phone_version('2.3.0.',1,$header)==0)) $return=True;

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_dialkey_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_dialkey_supported($header=NULL)
{
	# False by default
	$return=False;

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Check model/version
	switch($header['model']) {
		case 'Aastra480i':
		case 'Aastra480i Cordless':
		case 'Aastra55i':
		case 'Aastra57i':
		case 'Aastra57iCT':
		case 'Aastra9480i':
		case 'Aastra9480iCT':
		case 'Aastra6735i':
		case 'Aastra6737i':
		case 'Aastra6867i':
		case 'Aastra6869i':
		case 'Aastra6873i':
		case 'Aastra6920':
		case 'Aastra6930':
		case 'Aastra6940':
		case 'Mitel6920':
		case 'Mitel6930':
		case 'Mitel6940':
		case 'Aastra6739i':
			$return=True;
			break;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_dial2key_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_dial2key_supported($header=NULL)
{
	# False by default
	$return=False;

	# Get info header if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Check model/version
	switch($header['model']) {
		case 'Aastra55i':
		case 'Aastra57i':
		case 'Aastra57iCT':
		case 'Aastra9480i':
		case 'Aastra9480iCT':
		case 'Aastra6735i':
		case 'Aastra6737i':
		case 'Aastra6867i':
		case 'Aastra6869i':
		case 'Aastra6873i':
		case 'Aastra6920':
		case 'Aastra6930':
		case 'Aastra6940':
		case 'Mitel6920':
		case 'Mitel6930':
		case 'Mitel6940':
		case 'Aastra6739i':
			$return=True;
		break;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_dialuri_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_dialuri_supported($header=NULL)
{
	# False by default
	$return=False;

	# Check version
	if(($header['model']!='Aastra8000i') and (Aastra_test_phone_version('2.0.1.',1,$header)==0)) $return=True;

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_timeout_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_timeout_supported($header=NULL)
{
	# False by default
	$return=False;

	# Check version
	if(Aastra_test_phone_version('2.0.1.',1,$header)==0) $return=True;

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_datetime_input_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_datetime_input_supported($header=NULL)
{
	# False by default
	$return=False;

	# Check version
	if(Aastra_test_phone_version('2.0.1.',1,$header)==0) $return=True;

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_dynamic_sip_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_dynamic_sip_supported($header=NULL)
{
	# False by default
	$return=False;

	# Check version
	if($header['model']!='Aastra8000i') {
		if(Aastra_test_phone_version('2.5.0.',1,$header)==0) $return=True;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_lockincall_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_lockincall_supported($header=NULL)
{
	# False by default
	$return=False;

	# Get info header if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# All but the 6739i
	if($header['model']!='Aastra6739i') {
		if(Aastra_test_phone_version('2.6.0.',1,$header)==0) {
       if(Aastra_test_phone_version('3.0.0.',1,$header)!=0) $return=True;
		}
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_actionuriconnected_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_actionuriconnected_supported($header=NULL)
{
	# False by default
	$return=False;

	# Get info header if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# All but the 6739i
	if($header['model']!='Aastra6739i') {
		if(Aastra_test_phone_version('2.6.0.',1,$header)==0) $return=True;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_is_formattedtextscreen_color_supported(header)
#
# Parameters
#    header		phone HTTP header (optional)
#
# Returns
#    Boolean
###################################################################################################
function Aastra_is_formattedtextscreen_color_supported($header=NULL)
{
	# False by default
	$return=False;

	# Get info header if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Only the 6867i/6869i/6873i/6739i/8000i
	if($header['model']=='Aastra6739i') {
		if(Aastra_test_phone_version('3.0.1.',1,$header)==0) $return=True;
	}
	if($header['model']=='Aastra8000i') $return=True;
	else if($header['model']=='Aastra6867i') $return=True;
	else if($header['model']=='Aastra6869i') $return=True;
	else if($header['model']=='Aastra6873i') $return=True;
	else if($header['model']=='Aastra6920') $return=True;
	else if($header['model']=='Aastra6930') $return=True;
	else if($header['model']=='Aastra6940') $return=True;
	else if($header['model']=='Mitel6920') $return=True;
	else if($header['model']=='Mitel6930') $return=True;
	else if($header['model']=='Mitel6940') $return=True;

	# Return result
	return($return);
}


###################################################################################################
# Aastra_size_formattedtextscreen()
#
# Returns the number of lines available for formatted text screen
#
# Parameters
#    None
#
# Returns
#    Size of the FormattedTextScreen
###################################################################################################
function Aastra_size_formattedtextscreen($header=NULL)
{
	# No size by default
	$return=0;

	# Get info header if needed
	if(!$header) $header=Aastra_decode_HTTP_header();
	
	# Depending on model
	switch($header['model']) {
		case 'Aastra51i':
		case 'Aastra53i':
		case 'Aastra6730i':
		case 'Aastra6731i':
		case 'Aastra9143i':
		case 'Aastra6863i':
		case 'Aastra6865i':
			$return=2;
			break;
		case 'Aastra55i':
		case 'Aastra9480i':
		case 'Aastra9480iCT':
		case 'Aastra57i':
		case 'Aastra57iCT':
		case 'Aastra6735i':
		case 'Aastra6737i':
			$return=5;
			break;
		case 'Aastra6867i':
		case 'Aastra6869i':
		case 'Aastra6873i':
		case 'Aastra6920':
		case 'Aastra6930':
		case 'Aastra6940':
		case 'Mitel6920':
		case 'Mitel6930':
		case 'Mitel6940':
		case 'Aastra6739i':
		case 'Aastra8000i':
			$return=14;
			break;
	}

	return($return);
}

###################################################################################################
# Aastra_size_display_line()
#
# Returns the number of characters per line on the display
#
# Parameters
#    None
#
# Returns
#    Returns the number of characters per line on the display
###################################################################################################
function Aastra_size_display_line($header=NULL)
{
	$return=0;

	# Get info header if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	switch($header['model']) {
		case 'Aastra51i':
		case 'Aastra53i':
		case 'Aastra9112i':
		case 'Aastra9133i':
		case 'Aastra9143i':
		case 'Aastra6730i':
		case 'Aastra6731i':
		case 'Aastra6863i':
		case 'Aastra6865i':
			$return='16';
			break;
		case 'Aastra480i':
		case 'Aastra480i Cordless':
		case 'Aastra9480i':
		case 'Aastra9480iCT':
			$return='21';
			break;
		case 'Aastra55i':
		case 'Aastra57i':
		case 'Aastra57iCT':
		case 'Aastra6735i':
		case 'Aastra6737i':
			$return='24';
			break;
		case 'Aastra6867i':
		case 'Aastra6869i':
		case 'Aastra6873i':
		case 'Aastra6920':
		case 'Aastra6930':
		case 'Aastra6940':
		case 'Mitel6920':
		case 'Mitel6930':
		case 'Mitel6940':
		case 'Aastra6739i':
		case 'Aastra8000i':
			$return='32';
			break;
		default:
			$return='24';
			break;
	}

	return($return);
}

###################################################################################################
# Aastra_size_graphical_display(mode)
#
# Returns the number of characters per line on the display
#
# Parameters
#    Mode 	ImageScreen/ImageMenu mode regular/extended/fullscreen
#
# Returns
#    Returns an array with width and height
###################################################################################################
function Aastra_size_graphical_display($mode='regular',$header=NULL)
{
	$return=0;

	# Get info header if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	switch($header['model']) {
		case 'Aastra6867i':
		case 'Aastra6920':
		case 'Mitel6920':
			if($mode=='regular') {
				$array=array(	'width'=>'320','height'=>'184');
			} else if($mode=='extended') {
				$array=array(	'width'=>'320','height'=>'184');
			} else if($mode=='fullscreen') {
				$array=array(	'width'=>'320','height'=>'240');
			}
			break;
		case 'Aastra6869i':
		case 'Aastra6930':
		case 'Mitel6930':
			if($mode=='regular') {
				$array=array(	'width'=>'480','height'=>'204');
			} else if($mode=='extended') {
				$array=array(	'width'=>'480','height'=>'204');
			} else if($mode=='fullscreen') {
				$array=array(	'width'=>'480','height'=>'272');
			}
			break;
		case 'Aastra6873i':
		case 'Aastra6940':
		case 'Mitel6940':
			if($mode=='regular') {
				$array=array(	'width'=>'800','height'=>'372');
			} else if($mode=='extended') {
				$array=array(	'width'=>'800','height'=>'372');
			} else if($mode=='fullscreen') {
				$array=array(	'width'=>'800','height'=>'480');
			}
			break;
		case 'Aastra6739i':
			if($mode=='regular') {
				$array=array(	'width'=>'380','height'=>'340');
			} else if($mode=='extended') {
				$array=array(	'width'=>'640','height'=>'340');
			} else if($mode=='fullscreen') {
				$array=array(	'width'=>'640','height'=>'480');
			}
			break;
	}

	return($array);
}

###################################################################################################
# Aastra_max_items_textmenu()
#
# Returns the maximum number of items for a TextMenu object
#
# Parameters
#    None
#
# Returns
#    15 or 30
###################################################################################################
function Aastra_max_items_textmenu($header=NULL)
{
	$return=15;
	if(Aastra_test_phone_version('2.2.0.',1,$header)==0) $return=30;
	return($return);
}

###################################################################################################
# Aastra_get_custom_icon(icon_name)
#
# Returns hex representation of icon matching the given name. If no icon found, empty icon is returned.
#
# Parameters
#    @iconName  Icon name. List of icons: see below
#
# Returns
#    Hex representation of icon matching the given name
#   Empty icon if icon not found
###################################################################################################
function Aastra_get_custom_icon($icon_name)
{
	# Default icon 
	$return = '000000000000000000000000';
 
	if($icon_name == 'BoxChecked') return '0000FEC6AA92AAC6FE000000';
	else if($icon_name == 'BoxUnchecked') return '0000FE8282828282FE000000';
	else if($icon_name == 'Office') return '000000FEAEFAAEFE00000000';
	else if($icon_name == 'Cellphone') return '000000007E565AFE00000000';
	else if($icon_name == 'Home') return '000000103E7A3E1000000000';
	else if($icon_name == 'ArrowRightBold') return '000038383838FE7C38100000';
	else if($icon_name == 'ArrowLeftBold') return '000010387CFE383838380000';
	else if($icon_name == 'Bell') return '000000063E7E3E0600000000';
	else if($icon_name == 'Phone') return '000000664E5A4E6600000000';
	else if($icon_name == 'MessageUnread') return '00FEC6AA928A8A92AAC6FE00';
	else if($icon_name == 'MessageRead') return '00FEC6AA924A2A120A060200';
	else if($icon_name == 'Keypad') return '000000540054005400000000';
	else if($icon_name == 'DND') return '0000007CEEEEEE7C00000000';
	else if($icon_name == 'OK') return '0000000804020C30C0000000';
	else if($icon_name == 'Available') return '000000664E5A4E6600000000';
	else if($icon_name == 'Offhook') return '00000002060E96F200000000';
	else if($icon_name == 'Speaker') return '0038387CFE00281044380000';
	else if($icon_name == 'Muted') return '0038387CFE00386C6C6C3800';

	return($return);
}

###################################################################################################
# Aastra_push2phone(server,phone,data)
#
# Push an XML object to the phone.
#
# Parameters
#    @server		IP address or name of the server (must be authorized on the phone)
#    @phone		IP address or name of the phone to send the object to
#    @data		XML object to send
#
# Returns
#    Boolean
###################################################################################################
function Aastra_push2phone($server,$phone,$data)
{
	# KO by default
	$return=False;

	# Prepare the message
	$xml = 'xml='.$data;
	$post = "POST / HTTP/1.1\r\n";
	$post .= "Host: $phone\r\n";
	$post .= "Referer: $server\r\n";
	$post .= "Connection: Keep-Alive\r\n";
	$post .= "Content-Type: text/xml\r\n";
	$post .= 'Content-Length: '.strlen($xml)."\r\n\r\n";
	$fp = @fsockopen($phone,80,$errno, $errstr, 5);
	if($fp) {
		fputs($fp, $post.$xml);
		fclose($fp);
		$return=True;
	}

	# Return result
	return($return);
}

###################################################################################################
# Aastra_getvar_safe(var_name,default,method)
#
# This function helps protect against injection style attacks by formatting the variable value.
#
# Parameters
#    @var_name	name of the submitted variable.
#    @default 	default value returned if the variable was not submitted.
#    @method 		setting the array to look into. This can be set to GET (default), POST, REQUEST,
# 			SERVER, etc.
#
# Returns
#    Boolean
###################################################################################################
function Aastra_getvar_safe($var_name,$default='',$method='GET')
{
	eval('$return = (isset($_'.$method.'["'.$var_name.'"])) ? htmlentities(html_entity_decode(stripslashes((trim($_'.$method.'["'.$var_name.'"]))),ENT_QUOTES),ENT_QUOTES) : $default;');
	return $return;
}

###################################################################################################
# Aastra_getphone_fingerprint()
#
# This function returns the phone fingerprint which is a md5 hash of its model, MAC address and 
# IP address.
#
# Parameters
#    None 
#
# Returns
#    string MD5 signature
###################################################################################################
function Aastra_getphone_fingerprint()
{
	# Retrieve phone information
	$header=Aastra_decode_HTTP_header();

	# Return signature
	return(md5($header['model'].$header['mac'].$header['ip']));
}

###################################################################################################
# Aastra_phone_type()
#
# This function returns the type of phone for an XML perspective.
#
# Parameters
#    None
#
# Return
#    Integer			1=9112i,9133i
#				2=480i,480i Cordless
#				3=6730i,6731i,6751i,6753i,9143i
#				4=6755i,6757i,6757iCT
#				5=6739i,VideoPhone
###################################################################################################
function Aastra_phone_type($header=NULL)
{
	# No type by default
	$return='0';

	# Get header info if needed
	if(!$header) $header=Aastra_decode_HTTP_header();

	# Test model/version
	switch($header['model']) {
		case 'Aastra9112i':
		case 'Aastra9133ii':
			$return='1';
			break;
		case 'Aastra480i':
		case 'Aastra480i Cordless':
			$return='2';
			break;
		case 'Aastra6730i':
		case 'Aastra6731i':
		case 'Aastra51i':
		case 'Aastra53i':
		case 'Aastra9143i':
		case 'Aastra6863i':
		case 'Aastra6865i':
			$return='3';
			break;
		case 'Aastra55i':
		case 'Aastra57i':
		case 'Aastra57iCT':
		case 'Aastra9480i':
		case 'Aastra9480iCT':
		case 'Aastra6735i':
		case 'Aastra6737i':
		case 'Aastra6867i':
		case 'Aastra6869i':
		case 'Aastra6920':
		case 'Aastra6930':
		case 'Mitel6920':
		case 'Mitel6930':
			$return='4';
			break;
		case 'Aastra6739i':
		case 'Aastra8000i':
		case 'Aastra6873i':
		case 'Aastra6940':
		case 'Mitel6940':
			$return='5';
			break;
	}

	# Return result
	return($return);
}
?>