CIMCall::Start

static function Start($arParams)
{
	$arConfig['CHAT_ID'] = intval($arParams['CHAT_ID']);
	if ($arConfig['CHAT_ID'] <= 0)
		return false;

	global $USER;
	$arConfig['USER_ID'] = intval($arParams['USER_ID']) > 0? intval($arParams['USER_ID']): intval($USER->GetID());

	if (!$arParams['CALL_TO_GROUP'])
		self::MessageToPrivate($arConfig['USER_ID'], $arParams['RECIPIENT_ID'], "IM_CALL_CHAT_START");

	CIMCall::Signaling(Array(
		'CHAT_ID' => $arConfig['CHAT_ID'],
		'USER_ID' => $arConfig['USER_ID'],
		'COMMAND' => 'start',
	));

	return true;
}