Is there anybody who can tell me about what protocol does keyswitch routers use for local termination of Ip telephones to router. And secondly is the IOS image 12.15 (YD) called vespa image or what is exactly the vespa image.
They use SCCP - Skinny Client Control Protocol. This is the same protocol used when those same phones are registered with a Cisco CallManager. Yes, 12.1(5)YD images support Keyswitch or Survivable Remote Site Telephony. Also, 12.2(2)XB supports this on the platforms supporting the feature (2600/3600/IAD2420).
Also note that the newest versions of these features are now called:
Cisco IOS Telephony Service 2.0 (formerly Keyswitch)
Survivable Remote Site Telephony Version 2.0 (formerly SRST)
And these newest versions are in 12.2(2)XT and also support the 1750 and 1751.
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
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setting the clocks forward 1 hour from standard time during the summer
months, and back again in the fall, in order to make b...