[asterisk-users] Channels freeze on Confbridge

[Andrew Yager]

On Sun, 23 Aug 2020 at 18:23, Antony Stone <
Antony.Stone at asterisk.open.source.it> wrote:

> On Saturday 22 August 2020 at 22:51:48, Sebastian Nielsen wrote:
>
> > I had a similiar problem, but with calls dropping after 30 sec.
> > It turned out that Android didn't support RP-CID (Reverse Party Caller
> ID)
> > so when I sent the name of the callee to the caller (as some sort of
> > "centralized phonebook function") it caused calls to be dropped as
> android
> > refused to reply on the packets or sent rejections back.
>
> I can see the point you're making here, but what's going to do this after
> 30
> *minutes* of normal call?
>

Have seen plenty of ALGs do weird things like this. 30 minutes is a nice
number, and nice enough that I'd go hunting for ALG issues. It's a good
multiple of 3 minutes, and quite possibly is some big number someone
thought to set in something that "no one would ever hit".

A tcpdump would probably show you what's going on if the logs are otherwise
unclear, and you could also make sure you have sensible RTP timeout rules.

Andrew
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