Basically i had a situation where the vg202 was configured for fax passthrough g.711ulaw and i created a region for g7.11 for vg202 im ccm to sip.
Managed to get outbound faxing working but inbound would not. Speaking to bt i think they support g711alaw and t.38.. I had no luck with t.38 so decided on g.711alaw passthrough and this time inbound faxing was working but outbound failed??!!
Speaking to bt on some of the debugging they say i am still requesting ulaw howevevr vg202 is not configured for this? Maybe the sip trunk is requesting this?
The fax is a brother.. I did look into reducing he baud rate but no option for it.. Any ideas of experiances of this would be appreciated..
You had no lock with T.38 as protocol based T.38 is not supported with SCCP, you need to either use H323/SIP or MGCP. SCCP only support NSE based T.38 which is Cisco proprietary and not supported by any carriers. T.38 is the recommended faxing protocol, especially over SIP trunks so my suggestion would to convert the VG202 to either SIP or H323 and implement protocol based T.38. Also, make sure your CUBE configuration matches the T.38 configuration.
SIP traces provide key information in troubleshooting SIP Trunks, SIP
endpoints and other SIP related issues. Even though these traces are in
clear text, these texts can be gibberish unless you understand fully
what they mean. This document attempts to br...
Please find the attached HTML document, download and open it on your PC.
This provides an easy to use form where you simply answer a few
questions and it will render the proper jabber-config.xml file for you
to copy/paste. There is built in logic to verif...
CUCM Database Replication is an area in which Cisco customers and
partners have asked for more in-depth training in being able to properly
assess a replication problem and potentially resolve an issue without
involving TAC. This document discusses the bas...