IP Telephony and Phones

Dear All, can i integrate CUCM adn vcs using h.323? the deployment guide just state using SIPi try to add vcs as h.323 in callmanager, and in vcs, i add cm as infrastructure. i can call to endpoint in vcs, but can not call from endpoint in vcs to ip ...

Hi All - I do have few clarification on below points.1. Media Flow Around and Media Flow through have any link with Codec Negotiation and Transparent. Lets say i have configured Media flow through and codec transparent will it work in such cases beca...

Hi, I have CUCM 9.1 running with Publisher and 2 Subscribers. One Publisher and Subscriber is in a location and other Subscriber is Cluster over WAN using high speed Wireless. I have almost 500 Phones registered. almost 300 is registered to Subscribe...

I have an extension assigned to a Directory handler in Unity. If I assign a DN to this same extension and set it go right to voicemail in call manager I get a prompt to pess 1 to enter an extension or 4 to search the directory. If I call directly int...

Hello,We are going to be moving some jail phones over to our IPT network.  We need to give end users the ability to block calls from the jail phones so that they are unable to call out to victims.  This block would change on a daily basis.  I do not ...

When I plug the power into the phone, the display remains dark. Only the yellow LED next to the camera lights up. The same happens when I plug in PoE.What should I do?

Hi All,i am using below IPT versionCUCM version - 9.1,CUP Verison  - 9.1Cisco Jabber version  - 9.7when i start the Chat from cisco jabber,  IM is working fine but desktop shaing optin is showing disablebut when i make a call from cisco jabber that t...

Hi All UC Experts,I just tried the Jabber Voice (iPhone & Android) on CME. Basically, I still cannot register the Jabber Voice (Android) to the configurated CME.I saw the concept is so simple as the sip server as 5060 and the Jabber Voice on CME shou...

Hi allwe have CUCM 8.6 and I now have Jabber working on my iphone.Would it be possible to have Jabber working when out the office on the road via internet etc whats the best way of doing this, would I need to NAT the CUCM ip address? or VPN? or are t...

I am trying to upgrade my SCCP 7941G to SIP. The original SCCP version is SCCP41.8-4-4S.I used a tftpd32 as a server and expected the phone will pull firmware from the server. I hold the # key and rebooted the phone, the line 1 and line 2 button star...