System was fine this morning, but now any outbound call placed, the recipient cannot hear the caller. The caller can hear the recipient just fine. Internal calls work fine, inbound calls work fine.
Voxtelesys, and yes, I have put a ticket in with them as well, no response yet.
We have also noticed that shared parking is not working. If you send a caller to shared parking, they hear the on hold music, but then the call drops if you try to pick up shared parking.
So, it is not a provider issue, but specific to desk phones; which version of 3cx are you running, v18 or v20?
What IP phones are these, and what is the firmware version?