On Sun, 23 Aug 2020 at 18:23, Antony Stone < [email protected]> 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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