[asterisk-users] A problem with IAX2

[Steve Totaro]

On Tue, Jun 11, 2013 at 8:32 AM, Mordechay Kaganer <mkaganer at gmail.com>wrote:

> B.H.
>
> Hello!
>
> We have several Asterik boxes that are connected to PSTN using PRI cards
> and they are interconnected using IAX2 trunks so that incoming calls are
> delivered from PSTN to the servers they belong to.
>
> In past we were using asterisk 1.4 on the server that is receiving IAX
> connections and everything worked as expected. Recently, we have switched
> to a newer box with asterisk 1.8.22 and then we began to experience
> sometimes a strange problem:
>
> At some point of time, incoming IAX connections begin to get refused by
> the server and we get the following messages in the logs:
>
> WARNING[XXXX] chan_iax2.c: Too much delay in IAX2 calltoken timestamp from
> address X.X.X.X
>
> where X.X.X.X is the IP of the PSTN->IAX gateways and all the incoming
> calls start to be rejected.
>
> Direct PSTN calls (both incoming and outgoing) to the same server work OK.
> The only solution that helps is to kill the asterisk and restart it.
>
> All the servers are connected to the same LAN segment, with gigabit
> switch, there is no problems with the network. No packet loss.
>
> There's already bug report present with very similar issue, but it is
> "suspended" and, like stated there, the problem is very hard to reproduce.
>
> See: https://issues.asterisk.org/jira/browse/ASTERISK-21762
>
>
> --
> משיח NOW!
>

Use SIP and never look back.

Thanks,
Steve Totaro
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