[asterisk-users] Odd one-way audio problem
mdiehlenator at gmail.com
Tue Mar 19 15:36:53 CDT 2019
I have a user who is reporting one-way audio, but only when a call is made to or from
particular PSTN (cell) numbers.
Their phones are behind a NAT router and my server is on the open Internet.
Calls within their office sound fine. Calls to/from most numbers sound fine.
When they took their phones home, those same phone numbers still had problems.
So, I don't think it's their network. I've taken pcaps of both legs of example calls. On
the provider-side, I see 2-way audio. On the client-side, I only hear one side.
Most of the time, though, their phones work correctly.
Any ideas where to look to fix this?
Thanks in advance.
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