IP Telephony and Phones

We have LDAP integration, all employees are synchronized via LDAP and these end users are in Corporate Directory.That's OK and wanted. But I need some special local users because we have several SIP phones (like Revolabs FLX2) which needs to authenti...

hi, our infrastuctures have one CUCM publisher, CUC Publisher and IMP Publisher hosted on the cloud and all subscibers are hosted in our H.O , we are going to cut cloud services and want to bring all the publishers to H.O, curruntly since its managed...

Hello,on CUCM we have a few Jabber for Windows (5 Jabber in a total number of 20 Jabber for Win) that cannot transfer calls. Today I called one of these Jabbers from an external number, when the operator told me that she was going to transfer me to a...

8945 Video Calls freezing and Phone rebootsHello Everyone! We have two sets of CP-8945  with hardware revision 4 .(with firmware 9.4.2)working well with asterix but  The video calls get initiated but hangs after 5 secs and phone itself reboots.Your h...

Greetings,I am researching Cisco's IP phones and I have many questions about the software and such. So starting out I noticed they got rid of the CCNA Voice exam and it looks like it has been replaced with the Collaboration category is there a specif...

I recently configured a talkaphone voip-600 on my Cisco call manager version System version: 11.5.1.14900-11 and everything works but 911 says that there is no information concerning the location of the phone, where does that have to be configured in...

My customer is a fishing vessell that wants to use different satellite providers based on it's GPS location.  For example, when it's in the northern hemisphere it wants to use provider X, because it's the cheapest option, and in the southern hemisphe...

i want to change the greeting for the extension. for example, if someone calls 111 it should say their name that (ABC User) is not available.

Cisco TAC may require for CUCM upgrade provide effective technical support.CUCM Upgrade11.5 to 12.5 Recommendations/requirement.Can I engage TAC pro-actively before the upgrade for any planning question?

    Welcome to the Cisco Support Community Ask the Expert conversation. Learn from experts Vijay Rao and Amit Singh about simplified upgrade process and focused support from Cisco to migrate to version 9.1.  This is a continuation of the live Webcast...

After selecting using directory button, phone displays (requesting) and never connects to directory. All other Cisco IP phones in system work correctly.