public function can_use_sip_descriptor()
{
$descriptor = new \PAGI\DialDescriptor\SIPDialDescriptor('666', 'provider');
$this->assertEquals($descriptor->getTechnology(), 'SIP');
$this->assertEquals($descriptor->getChannelDescriptor(), 'SIP/666@provider');
$descriptor->setProvider('otherprovider');
$this->assertEquals($descriptor->getChannelDescriptor(), 'SIP/666@otherprovider');
}