[Users] OpenSER 1.2.1 resend of messages not matched in tm?
Klaus Darilion
klaus.mailinglists at pernau.at
Wed Jun 20 18:16:34 CEST 2007
No solution - but I have seen this happing too sometimes (with openser 1.1)
regards
klaus
Tobias Lindgren wrote:
> Hi all,
>
> I'm running openser 1.2.1 w/ tm module. In some calls, specially
> FAX-calls, my gateways tries T.38 first and then performs fallback to
> G711. This scenario makes my OpenSER resend some messages even though it
> has got an ACK.
>
> What happends is that the terminating PBX doesn't support T.38 and sends
> a "488 Not Acceptable Media" respons to my OpenSER which is relayed back
> to my gateway. The relay of messages looks like this:
> - INVITE with T.38 from GW to PBX
> 1. PBX sends 488 to OpenSER
> 2. OpenSER ACKs to PBX
> 3. OpenSER sends 488 to GW
> 4. GW ACKs to OpenSER
> 5. OpenSER sends 488 to GW
> 6. GW ACKs to OpenSER
> - INVITE with G711 from GW to PBX
> 1. PBX OK back to GW
>
> Now after the new INVITE with G711 OpenSER starts to send the
> 488-messages to my Gateway again, and I'm assuming it does so because it
> think they are not ACKed? Any idea to what goes wrong here?
>
> Br,
> /Tobias
>
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