function _call($params)
{
$user = $params['user'];
$mysip = self::get_sip_info($user->id);
$user_to = PresenceController::_userstr($params['callee']);
if ($user_to) {
// They want to call another user, so grab SIP data for target user.
$sip = self::get_sip_info($user_to->id);
$to = 'sip:' . $sip->ext . '@' . $sip->domain;
} elseif (preg_match('/^[-0-9]+$/', $params['callee'])) {
// Valid dial string.
$to = 'sip:' . $params['callee'] . '@' . $mysip->domain;
} else {
// Invalid!
self::notify($user, 'You can call a chat user or a phone number (only numbers or dashes).');
}
if (isset($to)) {
// MAKE THE CALL!
try {
include 'php-sip/PhpSIP.class.php';
$from = "sip:{$mysip->ext}@{$mysip->domain}";
$api = new PhpSIP();
$agent = "sip:{$mysip->user}@{$mysip->domain}";
$api->setUsername($mysip->user);
$api->setPassword($mysip->pass);
// First get the initiator on the line.
self::notify($user, "Calling you first...");
$api->setMethod('INVITE');
$api->setFrom($agent);
$api->setUri($from);
switch ($api->send()) {
case 200:
// Initiator answered, so now we ring the other guy.
if ($user_to) {
self::notify($user_to, ($user->nickname ? $user->nickname : $user->name) . ' is calling you!');
}
$api->setMethod('REFER');
$api->addHeader("Refer-to: {$to}");
$api->addHeader("Referred-By: {$agent}");
$api->send();
// Let those guys talk, get out of dodge.
$api->setMethod('BYE');
$api->send();
$api->listen('NOTIFY');
$api->reply(481, 'Call Leg/Transaction Does Not Exist');
break;
default:
self::notify($user, "You didn't answer!");
}
} catch (Exception $e) {
try {
$api->setMethod('CANCEL');
$api->send();
self::notify($user, 'Error placing call!');
} catch (Exception $e) {
self::notify($user, 'Error placing call, and another error cleaning up!');
}
}
}
return true;
}
