The SX20 device does not record video calls, in order to get this feature you need to get a Content Server (TCS).
Cisco TelePresence Content Server Easily share knowledge using the Cisco TelePresence Content Server, which records Cisco TelePresence and third-party videoconferencing meetings and multimedia presentations for live broadcast and on-demand access.
The Cisco TelePresence Content Server simplifies the process of capturing and sharing many types of content throughout your organization, including:
Any critical events
You can create and manage business-quality multimedia content easily from any H.323 or Session Initiation Protocol (SIP) video endpoint. You can also distribute that content, live or recorded, to any PC or portable media device or to Cisco Show and Share.
For more information following the link about the product:
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...