[Spce-user] Extrange SDP manipulation

[Jon Bonilla (Manwe)]

El Fri, 5 Sep 2014 08:37:37 +0100
Raúl Alexis Betancor Santana <rabs at dimension-virtual.com> escribió:

> Hi all ... I'm trying to find why an T.38 call doesn't work throught a
> SPCE mr3.4.1
> 
> I have this SDP coming from the kamailio­proxy to the kamailio-lb
> 
> Content-Length: 327
> 
> v=0
> o=root 958158857 958158858 IN IP4 XX.XX.XX.XX 
> s=Asterisk PBX 11.12.0
> c=IN IP4 XX.XX.XX.XX
> t=0 0
> m=image 11830 udptl t38
> c=IN IP4 XX.XX.XX.XX
> a=sendrecv
> a=T38FaxVersion:0
> a=T38MaxBitRate:14400
> a=T38FaxRateManagement:transferredTCF
> a=T38FaxMaxDatagram:849
> a=T38FaxUdpEC:t38UDPFEC
> a=rtcp:11831
> a=direction:both
> 
> And this one from the kamailio-lb to the UAC that initializated the
> call
> 
> Content-Length: 327
> Contact:
> <sip:ngcp-lb at XX.XX.XX.XX:5060;ngcpct=7369703a39312e3139332e39322e323a35303830>
> 
> v=0
> o=root 958158857 958158858 IN IP4 XX.XX.XX.XX
> s=Asterisk PBX 11.12.0
> c=IN IP4 XX.XX.XX.XX
> t=0 0
> m=image 11830 udptl t38
> c=IN IP4 XX.XX.XX.XX
> a=sendrecv
> a=T38FaxVersion:0
> a=T38MaxBitRate:14400
> a=T38FaxRateManagement:tran
> 
> 
> Does anyone know why kamailio-lb truncate the SDP package ? ...,
> because it's obviously truncated.


Do you see any error msg in the kamailio-lb log? Could it be a network problem
or the mtu? Maybe you could try the same over tcp?

The lb should not truncate anything. It's quite transparent as sl proxy.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: not available
URL: <http://lists.sipwise.com/pipermail/spce-user_lists.sipwise.com/attachments/20140905/b66faa10/attachment-0001.asc>