We have an FXO card in a 2811 router taking calls from the PSTN and routing them to Call Manager 5.1. Recently users are complaingng that random inbound calls are ringing to the phone as they should but that on some calls both parties can hear what they are describing as "fax machine sounds" when called party picks up. CM user can call them right back with no problems. Never an issue on outbound calls.
If the FXO supervisory disconnect tone feature is configured and the DSP detects a tone from the PSTN or PBX, the analog FXO port goes on-hook. You can configure the router's FXO voice port to detect supervisory disconnect tones before or after the call is answered.
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...