IP Telephony and Phones

I've got a CUBE (IOS-XE 17) & CUCM (12.5) connected via a secure SIP trunk. Calls to/from the SIP trunk from/to a phone with a secure Device Security Profile work fine. But calls to/from a phone with an insecure Device Security Profile fail. (Calls b...

I am wondering if someone can help me understanding e164 dial plan----what is the MAIN idea behind it? Why do I have to change a number (Ingress) to a +1XXXXXXXX format and then change it back to normal 10 digits before call goes out to PSTN (egress)...

I have a big problem , i have a customer in saudi arabia who have cisco unity and cisco call manager . The configuration is ok , the problem that when we get an incoming call on the FXO the call handler gets the call and all things are working fine ,...

Hello guysI saw in release notes that the ISR 1100 will support CUBE from 16.9 but no word about CME. Is CME going to be supported in some release or it will not be supported at all? If CME is supported this will be the perfect router. Thanks

Outgoing calls to PSTN, DTMF tones are not sent.Call manager version 12.5. Protocol MGCP. Link to PSTN is E1.====================================mgcp dtmf-relay voip codec all mode nte-gwmgcp modem passthrough voip mode nsemgcp package-capability rtp...

 Hi Community, we want to use the voice feedback functionality on CP 88xx Phone running Firmware 12.8.1 (for example: sip8845_65.12-8-1-0101-482). Our Callmanager Cluster is running on Version 11.5.1.14900-11.  When we access the Phone menu -> Access...

Hello, I have 2 phones 1001 and 1002 in CUCM 11.5I need calls to 1001 to roll to 1002 and then to Voicemail of 1001Calls to 1002 need to roll to 1001 and then to voicemail of 1002. They both are already in a huge call pickup group.What are possible o...

Hello  I was after a bit of advice. We have unity 11.5 and it seems our person greeting for closed always plays twice. Times to Re-prompt Caller = 0 but still twice standard greeting is fine and only plays once. does anyone have any ideas about this?...

Hello All,My environment is :a. CUCM 10.5b. CP-8861 phonesc. sip88xx.12-8-1-0001-455 d. Mobile Connect  Configured for users with remote destination Mobile Connect, Phones etc. all are working great. My issue is "all call" logging. If Mobile Connecti...

BLF-speed-dial buttons do not work reliably in the latest couple of versions of CME on IOS 15. The problems seemed to start in the last couple of versions and definately exist in CME Version 12 on IOS 15.7(3)M5.Every few hours, some BLF-speed-dial bu...