To understand properly, this is after the re-INVITE from B to A? I will look in the code as I get a chance, being out of the office for few days...
Cheers, Daniel On 20/01/15 13:13, Daniel Tryba wrote: > Trying to call a T.38 enabled endpoint B from an endpoint A that doesn't. > This > results in a "488 Not Acceptable" from A. > > The kamailio (4.0.3) in between with topoh enabled (with mask_callid set to > 1. > Kamailio ACKs the 488 to A, but the ACK has the wrong (masked) Call-ID, > resulting in the ACK to A being ignored, A keeps sending 488 at intervals > before just dropping the call. > > My understanding is the Call-ID in the ACK has to be the same as the Call-ID > from the 488. But instead of sending the unmasked Call-ID used in all other > messages between A and Kamailio, the ACK contains the masked Call-ID used in > all messagea between A and Kamailio. > > I can't find a bug report relating to this. Is this a known feature or maybe > fixed in newer versions? > > A->Kamailio > SIP/2.0 488 Not acceptable here. > Via: SIP/2.0/UDP > 109.235.32.40;branch=z9hG4bKf91a.c6c88747.0;received=109.235.32.40. > Via: SIP/2.0/UDP 172.19.162.1;branch=pocos- > rS4MusXox1l5QHyNxRy6uAXsEOdsxidSEAktxGZKWgeKCgeS- > RrKEAy057Nl9DEpWpefZD6AhGtwWDJjEqeuEAZgZs5iZA7*. > From: <sip:+31880100...@sip.pocos.nl:5060>;tag=as3869fe2a. > To: "+31880100705" <sip:+31880100...@sip.pocos.nl>;tag=as1b0b8097. > Call-ID: 0b5946b977210450571f767a19cd6...@99sip.pocos.nl. > CSeq: 102 INVITE. > > > Kamailio<-A > ACK sip:+31880100705@109.235.32.48 SIP/2.0. > Via: SIP/2.0/UDP 109.235.32.40;branch=z9hG4bKf91a.c6c88747.0. > Max-Forwards: 16. > From: <sip:+31880100...@sip.pocos.nl:5060>;tag=as3869fe2a. > To: "+31880100705" <sip:+31880100...@sip.pocos.nl>;tag=as1b0b8097. > Call-ID: !!:xqXtWRMpZAngEsX3xGMtxGrgxDZgEA9JxR4AzGz8ZRIyWR4sh.yomqlACgxoC8K*. > CSeq: 102 ACK. > > -- Daniel-Constantin Mierla http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users