Unified Communications Infrastructure

Hi all: Have recently deployed CER 12.5.1, and all was working fine until we added a new site. This site has multiple onsite alerts (about 9) that they all state are mandatory to receive telephone and email notifications. We just tested 911 today, an...

Does the voice gateway 2951 provide a set of bi-directional API for integration, necessary to receive calls from a 3rd party system and forward calls from a 3rd party system

hi,i have IP Phone 7861 , my request is enable BLF at this IP Phone to check status for any other line.for exampleIP Phone 7861 have 16 buttons in right side , first one for IP Phone 7861 it self, i need to assign second one ( right side) for no 2000...

I need to migrate CUCM 9.1 (1 Pub and 1 Sub) to another CUCM 11.5 (1 Pub and 2 Sub). Nodes of CUCM 9.1 need to be upgraded to 11.5 and added as Subscribers to another CUCM cluster 11.5. What could be the most convenient approach and solution ? Please...

Hello,I have an ongoing issue with certificate warnings in my iOS Jabber clients that I can't seem to fix.  Initially I was getting certificate warnings for all Jabber connections (CUCM, IMP, UNITY), but after doing some reading in the documentation ...

Dears, For your kind support as I am facing an issue in cisco wireless IP phone 8821. The issue is that the cisco wireless phone always gives network busy when making a new outgoing calls as well as receiving calls it goes to a busy network immediate...

Hello,I have an issue on our CUCM for which I cannot find a solution. NTP on CUCM publisher show still unsynchronised.NTP servers are Solaris and seems to be NTPv4.NTP servers are reachable.Other devices (Switches, Linux, ...) can synchronise with th...

We are moving away from Microsoft Unified Messaging and over to Unity Connection.  There is currently a "play on phone" plug-in feature for UM that allows you to select either your extension or a mobile number to play voice messages received in Outlo...

Hi All,Is there any experts regarding this log %UC_CALLMANAGER-2-TimerThreadSlowed: %[AppID=Cisco CallManager][ClusterID=StandAloneCluster][NodeID=SUB01]: Timer thread has slowed beyond acceptable limits ?Since there is little literature on internet....

Hi everyone, We have an on-prem solution for clustered CMS consisting of a few sites. Assuming that half or more of our database nodes are down/inaccessible, but some callbridges are still up, what is the behavior of the callbridges which are still a...

If you are trying to drop a voicemail message on a phone extension after a while there will be a system default prompt to press 1 to save ,6 to listen to recording and # to save . How can one remove that system default prompt or modify it from cisco ...