If your SX20 SIP registration is as name@domain, you could use DNS server for communication between jabber and SX. If you have a connection but no media it is a big chance to have a firewall ports misconfiguration. Verify the media ports to be open. You specify that you don't have audio and video on SX after connection. What about Jabber ? Do you have audio and video on it ?
If the Jabber Video client is registered outside your network the SX20 will have to have a NATd IP or you would need the VCS C/E. I imagine it is regestered outside the network since you dont have a VCS.
The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...
This document describe how DST changes and how time changes are
implemented in DST. Daylight Saving Time (DST) is the practice of
setting the clocks forward 1 hour from standard time during the summer
months, and back again in the fall, in order to make b...