One way audio

Joined
Jan 17, 2017
Messages
8
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1
Hi,

I have an issue whereby I cannot make calls over 3G, 4G or any mobile network via a softphone app on a mobile phone, this is from one extension to another extension.

I have tried from multiple different softphone clients, but to no avail, there seems to be no inbound audio, as I cannot even hear the phone ring on the other end, works when I use a SIP trunk on the app itself as a single line, as opposed to an extension going through Elastix.

One of the errors I saw in the logs is "unknown rtp codec 95 received from" not sure if that's related.

Please advise if you are aware of anything like this and can assist, thanks.

Regards
 

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