Hi,I have a line with extension 1001. CFA, CFB and CFNA for this line are set.I need to accomplish following task: When extension 1002 dials 1001, all forwarding settings must be ignored and call must not leave ext. 1001, when any other extension cal...

 Hello,currently we are running CUCM 9.1.2 Unrestricted, it does not support SRTP, secure signalling etc. I would like to use LSCs issued by my own CA to authenticate our phones against RADIUS with EAP-TLS. As far as I understand how CAPF works, I ne...

Hi,according to this document, Cisco recommends IPv4 and IPv6 as the setting for the phone IP addressing mode. IPv6 Only is not recommended for production environments. Does anybody know, why using this mode should be avoided?

Hi!I am trying to jump upgrade from current 6.1.5 to 9.1.1 as stated in document "Jump Upgrade Procedure for Cisco Unified Communications ManagerRelease 4.1(3)–7.1(5) to 9.1(2)"I already have virtualized my installation and it successfully works in V...

Hi!Currently we have two SIP trunks to different providers. These tunks reside in two Route Groups, which, in turn, are included into Route List.The problem is, when we receive 503 error from first trunk, the call routing stops and CUCM does not try ...