使用Asterisk manager API实现自动拨号

发布时间：2014-09-05 17:12:09作者：知识屋

在实现自动呼叫的示例中我使用的是Asterisk manager API中的Originate方法，该方法在phpagi的中。具体定义如下：（英文我就不解释了，我英文很水）
/**
    * 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);
    }
下面是服务端的简单代码（很简单我只是实现执行该文件自动拨号，对方接听后会听到 hello world 的语音）
ami.php
#!/usr/bin/php -q
<?php
        include "phpagi-asmanager.php";
        $ams = new AGI_AsteriskManager();
        $ams->AGI_AsteriskManager("ami.conf");
        $result = $ams->connect();
        $res = $ams->Originate(sip/8001,8001,from-internal,1,Playback,hello-world,30000,192.168.1.112);
        var_dump($res); //这个是查看输出信息的调试代码
?>
ami.conf文件是访问API的验证文件：内容如下：
[asmanager]
server=127.0.0.1                   ; server to connect to
port=5038                               ; default manager port
username=admin                          ; username for login
secret=123456                       ; password for login
该文件的内容要和asterisk内的/etc/asterisk/manager.conf 文件中的用户密码相同，以上两个文件我是放在 /var/spool/asterisk/outgoing/ 目录中的
(要给执行的权限)
以上编写完成之后在服务器上直接运行就可以呼叫拨号了：
执行./ami.php