[asterisk-users] Asterisk "we couldn't allocate a port for RTP" errors

[Joel Serrano]

I would check if you don't have any channels in a hung/zombie state...

Have a look if "core show calls" matches "core show channels".

Either way, it seems wonky, so you might end up having to give that
asterisk a restart... :S

On Wed, Jul 27, 2022 at 6:21 PM David Cunningham <dcunningham at voisonics.com>
wrote:

> Hello,
>
> We have an Asterisk 13.38.2 server which today started giving "we couldn't
> allocate a port for RTP" errors. The output of "netstat -anp" showed that
> Asterisk was using all 10,000 ports allocated for RTP, even though it only
> had a maximum of around 200 concurrent calls at any point in the day. Even
> now when calls have fallen to less than 30, there are still almost 10,000
> ports in use.
>
> Does anyone have any suggestions on how to find out why so many ports are
> in use?
>
> I'm aware that Asterisk 13 is no longer supported by Sangoma so I haven't
> opened a bug report.
>
> Thanks in advance for any advice.
>
> --
> David Cunningham, Voisonics Limited
> http://voisonics.com/
> USA: +1 213 221 1092
> New Zealand: +64 (0)28 2558 3782
> --
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