We are using HDV card on 3662 to connect to a channel bank and then telco in Iran. the problem now is we can hear Iran side very well buy they can not hear us. however, another company is using a 5300 to connect to the same channel bank and their calls are going well. we have tried verifying input gain and output attenuation, but it didn't help. On our FXO ports on the same router, the calls are good.
One nasty thing that can result in one way voice is that ip routing should be enabled. This sounds very obvious, but make sure that command "ip routing" is in your running config. We had the same problem
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...