*   Message: Mailbox Message Count    *   Mailbox: <mailboxid>    *   NewMessages: <count>    *   OldMessages: <count>    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+MailboxCount    * @param string $mailbox Full mailbox ID <mailbox>@<vm-context>    * @param string $actionid message matching variable    */    function MailboxCount($mailbox, $actionid=NULL)    {      $parameters = array('Mailbox'=>$mailbox);      if($actionid) $parameters['ActionID'] = $actionid;      return $this->send_request('MailboxCount', $parameters);    }   /**    * Check Mailbox    *    * Returns number of messages.    *   Message: Mailbox Status    *   Mailbox: <mailboxid>    *   Waiting: <count>    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+MailboxStatus    * @param string $mailbox Full mailbox ID <mailbox>@<vm-context>    * @param string $actionid message matching variable    */    function MailboxStatus($mailbox, $actionid=NULL)    {	      $parameters = array('Mailbox'=>$mailbox);      if($actionid) $parameters['ActionID'] = $actionid;      return $this->send_request('MailboxStatus', $parameters);    }   /**    * Monitor a channel    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+Monitor    * @param string $channel    * @param string $file    * @param string $format    * @param boolean $mix    */    function Monitor($channel, $file=NULL, $format=NULL, $mix=NULL)    {      $parameters = array('Channel'=>$channel);      if($file) $parameters['File'] = $file;      if($format) $parameters['Format'] = $format;      if(!is_null($file)) $parameters['Mix'] = ($mix) ? 'true' : 'false';      return $this->send_request('Monitor', $parameters);    }   /**    * Originate Call    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+Originate    * @param string $channel Channel name to call    * @param string $exten Extension to use (requires 'Context' and 'Priority')    * @param string $context Context to use (requires 'Exten' and 'Priority')    * @param string $priority Priority to use (requires 'Exten' and 'Context')    * @param string $application Application to use    * @param string $data Data to use (requires 'Application')    * @param integer $timeout How long to wait for call to be answered (in ms)    * @param string $callerid Caller ID to be set on the outgoing channel    * @param string $variable Channel variable to set (VAR1=value1|VAR2=value2)    * @param string $account Account code    * @param boolean $async true fast origination    * @param string $actionid message matching variable    */    function Originate($channel,                       $exten=NULL, $context=NULL, $priority=NULL,                       $application=NULL, $data=NULL,                       $timeout=NULL, $callerid=NULL, $variable=NULL, $account=NULL, $async=NULL, $actionid=NULL)    {      $parameters = array('Channel'=>$channel);      if($exten) $parameters['Exten'] = $exten;      if($context) $parameters['Context'] = $context;      if($priority) $parameters['Priority'] = $priority;      if($application) $parameters['Application'] = $application;      if($data) $parameters['Data'] = $data;      if($timeout) $parameters['Timeout'] = $timeout;      if($callerid) $parameters['CallerID'] = $callerid;      if($variable) $parameters['Variable'] = $variable;      if($account) $parameters['Account'] = $account;      if(!is_null($async)) $parameters['Async'] = ($async) ? 'true' : 'false';      if($actionid) $parameters['ActionID'] = $actionid;      return $this->send_request('Originate', $parameters);    }	   /**    * List parked calls    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+ParkedCalls    * @param string $actionid message matching variable    */    function ParkedCalls($actionid=NULL)    {      if($actionid)        return $this->send_request('ParkedCalls', array('ActionID'=>$actionid));      else        return $this->send_request('ParkedCalls');    }   /**    * Ping    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+Ping    */    function Ping()    {      return $this->send_request('Ping');    }   /**    * Queue Add    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+QueueAdd    * @param string $queue    * @param string $interface    * @param integer $penalty    */    function QueueAdd($queue, $interface, $penalty=0)    {      $parameters = array('Queue'=>$queue, 'Interface'=>$interface);      if($penalty) $parameters['Penalty'] = $penalty;      return $this->send_request('QueueAdd', $parameters);    }   /**    * Queue Remove    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+QueueRemove    * @param string $queue    * @param string $interface    */    function QueueRemove($queue, $interface)    {      return $this->send_request('QueueRemove', array('Queue'=>$queue, 'Interface'=>$interface));    }   /**    * Queues    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+Queues    */    function Queues()    {      return $this->send_request('Queues');    }   /**    * Queue Status    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+QueueStatus    * @param string $actionid message matching variable    */    function QueueStatus($actionid=NULL)    {      if($actionid)        return $this->send_request('QueueStatus', array('ActionID'=>$actionid));      else        return $this->send_request('QueueStatus');    }   /**    * Redirect    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+Redirect    * @param string $channel    * @param string $extrachannel    * @param string $exten    * @param string $context    * @param string $priority    */    function Redirect($channel, $extrachannel, $exten, $context, $priority)    {      return $this->send_request('Redirect', array('Channel'=>$channel, 'ExtraChannel'=>$extrachannel, 'Exten'=>$exten,                                                   'Context'=>$context, 'Priority'=>$priority));    }   /**    * Set the CDR UserField    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+SetCDRUserField    * @param string $userfield    * @param string $channel    * @param string $append    */    function SetCDRUserField($userfield, $channel, $append=NULL)    {      $parameters = array('UserField'=>$userfield, 'Channel'=>$channel);      if($append) $parameters['Append'] = $append;      return $this->send_request('SetCDRUserField', $parameters);    }   /**    * Set Channel Variable    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+SetVar    * @param string $channel Channel to set variable for    * @param string $variable name    * @param string $value    */    function SetVar($channel, $variable, $value)    {      return $this->send_request('SetVar', array('Channel'=>$channel, 'Variable'=>$variable, 'Value'=>$value));    }   /**    * Channel Status    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+Status    * @param string $channel    * @param string $actionid message matching variable    */    function Status($channel, $actionid=NULL)    {      $parameters = array('Channel'=>$channel);      if($actionid) $parameters['ActionID'] = $actionid;      return $this->send_request('Status', $parameters);    }   /**    * Stop monitoring a channel    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+StopMonitor    * @param string $channel    */    function StopMontor($channel)    {      return $this->send_request('StopMonitor', array('Channel'=>$channel));    }   /**    * Dial over Zap channel while offhook    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+ZapDialOffhook    * @param string $zapchannel    * @param string $number    */    function ZapDialOffhook($zapchannel, $number)    {      return $this->send_request('ZapDialOffhook', array('ZapChannel'=>$zapchannel, 'Number'=>$number));    }   /**    * Toggle Zap channel Do Not Disturb status OFF    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+ZapDNDoff    * @param string $zapchannel    */    function ZapDNDoff($zapchannel)    {      return $this->send_request('ZapDNDoff', array('ZapChannel'=>$zapchannel));    }   /**    * Toggle Zap channel Do Not Disturb status ON    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+ZapDNDon    * @param string $zapchannel    */    function ZapDNDon($zapchannel)    {      return $this->send_request('ZapDNDon', array('ZapChannel'=>$zapchannel));    }   /**    * Hangup Zap Channel    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+ZapHangup    * @param string $zapchannel    */    function ZapHangup($zapchannel)    {      return $this->send_request('ZapHangup', array('ZapChannel'=>$zapchannel));    }   /**    * Transfer Zap Channel    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+ZapTransfer    * @param string $zapchannel    */    function ZapTransfer($zapchannel)    {      return $this->send_request('ZapTransfer', array('ZapChannel'=>$zapchannel));    }   /**    * Zap Show Channels    *    * @link http://www.voip-info.org/wiki-Asterisk+Manager+API+Action+ZapShowChannels    * @param string $actionid message matching variable    */    function ZapShowChannels($actionid=NULL)    {      if($actionid)        return $this->send_request('ZapShowChannels', array('ActionID'=>$actionid));      else        return $this->send_request('ZapShowChannels');    }   // *********************************************************************************************************   // **                       MISC                                                                          **   // *********************************************************************************************************   /*    * Log a message    *    * @param string $message    * @param integer $level from 1 to 4    */    function log($message, $level=1)    {      if($this->pagi != false)        $this->pagi->conlog($message, $level);      else        error_log(date('r') . ' - ' . $message);    }   /**    * Add event handler    *    * Known Events include ( http://www.voip-info.org/wiki-asterisk+manager+events )    *   Link - Fired when two voice channels are linked together and voice data exchange commences.    *   Unlink - Fired when a link between two voice channels is discontinued, for example, just before call completion.    *   Newexten -    *   Hangup -    *   Newchannel -    *   Newstate -    *   Reload - Fired when the "RELOAD" console command is executed.    *   Shutdown -    *   ExtensionStatus -    *   Rename -    *   Newcallerid -    *   Alarm -    *   AlarmClear -    *   Agentcallbacklogoff -    *   Agentcallbacklogin -    *   Agentlogoff -    *   MeetmeJoin -    *   MessageWaiting -    *   join -    *   leave -    *   AgentCalled -    *   ParkedCall - Fired after ParkedCalls    *   Cdr -    *   ParkedCallsComplete -    *   QueueParams -    *   QueueMember -    *   QueueStatusEnd -    *   Status -    *   StatusComplete -    *   ZapShowChannels - Fired after ZapShowChannels    *   ZapShowChannelsComplete -    *    * @param string $event type or * for default handler    * @param string $callback function    * @return boolean sucess    */    function add_event_handler($event, $callback)    {      $event = strtolower($event);      if(isset($this->event_handlers[$event]))      {        $this->log("$event handler is already defined, not over-writing.");        return false;      }      $this->event_handlers[$event] = $callback;      return true;    }   /**    * Process event    *    * @access private    * @param array $parameters    * @return mixed result of event handler or false if no handler was found    */    function process_event($parameters)    {      $ret = false;      $e = strtolower($parameters['Event']);      $this->log("Got event.. $e");		      $handler = '';      if(isset($this->event_handlers[$e])) $handler = $this->event_handlers[$e];      elseif(isset($this->event_handlers['*'])) $handler = $this->event_handlers['*'];      if(function_exists($handler))      {        $this->log("Execute handler $handler");        $ret = $handler($e, $parameters, $this->server, $this->port);      }      else        $this->log("No event handler for event '$e'");      return $ret;    }  }?>