@sotcok wrote:
I have recently installed FreePBX 15.0.16.42 (Asterisk 15.0.8) to see if it is suitable to replace our ten-year old VoIP system. I have set up two extensions and got two phones (both Grandstream, one GXP2110 and one GXP2020) to register. The phones can call each other, but there is no audio on the calls at all. I do get audio from the system, e.g. voicemail prompts and errors when I call non-existent extensions. I’m entirely stumped, does anyone have any suggestions for what I might be doing wrong?
This thread seems to be describing the same issue, the workaround there was to install FreePBX 14:
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