That is a dense and useful document. The only problem I've got is that the "openssl s_client" comman...

I've getting the following error on an inbound call on my CUBE: %SIP-2-TLS_HANDSHAKE_FAILED: TLS han...

As this is inbound calls I can't change the MS SIP proxy server. As I said, outbound calls from CUBE...

I've got CVI setup so my CUCM registered Room Kits, et al can join MS-Teams meetings. OBTP Join work...

I've followed the configuration at https://www.cisco.com/c/dam/en/us/solutions/collateral/enterprise...

I've tried the "srtp fallback"option but a 7941 with an unsecure profile can't answer the call. A 78...

I've got a CUBE (IOS-XE 17) & CUCM (12.5) connected via a secure SIP trunk. Calls to/from the SIP tr...

TVS does not validate certificate chains, only individual certificates. This makes using Let's Encry...

I've restarted Tomcat on all cluster nodes and then restarted the TVS service. Still no dice.

We point our Cisco IP Points at one of our own (non-CUCM) webservers for some custom directory servi...

I want to get the list of currently subscribed phone services for an IP Phone. When I try and add "s...

Just to highlight that the handset deprecation for CUCM 14.0 has been reversed: https://www.cisco.co...