I need also encryption between CUCM and SIP Gateways. So, I configured the SIP Gateways only the command "SRTP" globally, and the "SRTP Allowed - When this flag is checked, encrypted TLS needs to be configured in the network to Provide end to end security. Failure to so will expose the keys and Other information." in CUCM.
I do not set encryption for IP phones. When making a call to the PSTN no opening audio. This happened for not IP phones encryption?
I have some doubts and I could not implement security facilities.
Another question is about the TLS. For SIP Gateways I need to install certificates, right?
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...