Visit Atcom to get started with your new business VoIP phone system ASAP
Turn up is quick, painless, and can often be done same day.
Let us show you how to do VoIP right, resulting in crystal clear call quality and easy-to-use features that make everyone happy!
Proudly serving Canada from coast to coast.
It may make a difference. IAX carries the signaling and data as one stream(usually port 4569) whereas, SIP separates the signaling and data into 2 streams(port 5060 and a range of ports for audio). Give it a shot.
Pat Austin Teleco Inc. Product Manager/Sales Engineer Adtran ATSP TCTE/CTP Certified