We have always used the following settings quite sucessfully:
For fax ports - under port specific settings menu on the VG.
1. set fax relay to disabled
2. disable caller id
3. set MWI method to none
Note your PSTN gateways have to be configured for the right type of pasthrough also. What gateways are you using and H323 or MGCP?
The other trick, is to see if there is a fax diagnostics service you can access. In Australia we have FOLDS tests, you can fax an automated system and get a report back. Tells you the health of your fax config.
The last trick is that your volume levels on the fax port may have to be adjusted. This can vary per port, and per fax, so a fax test is really the only way I have found to do this.
I've got the best preso from a euro tac engineer on faxing and CCM. I will see if I can track it down for you!
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...