Call::iceCandidateAction

public function iceCandidateAction($callId, $userId, $connectionId, array $candidates)
{
	// mobile can alter key order, so we recover it
	ksort($candidates);

	$currentUserId = $this->getCurrentUser()->getId();
	$call = Registry::getCallWithId($callId);

	if(!$this->checkCallAccess($call, $currentUserId))
		return null;

	$callUser = $call->getUser($currentUserId);
	if($callUser)
	{
		$callUser->updateLastSeen(new DateTime());
	}

	$call->getSignaling()->sendIceCandidates($currentUserId, $userId, $connectionId, $candidates);
	return true;
}