IP Telephony and Phones

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Hello peopleRecently we updated firmware for phones 78xx (7821 , 7841 , 7861) in CUCM (System version: 8.5.1.10000-26) from firmware version "sip78xx.10-1-1-9" to "sip78xx.10-3-1-12" this as a workaround of problem phones won´t register in CUCM.Now s...

HI AllWe have been facing an issue in our cluster where UCCX cluster has failed over from uccx-1 to uccx-2 as the master . and after some troubleshooting we found that Cisco Bug: CSCul18667 is causing the issue.Now, Cisco Bug: CSCul18667 - CUIC doesn...

Dear All, I have 2 questions. 1) Customer has cluster over wan setup and many branches are connected by WAN router and Voice Gateways. When dial from any IP Phone like 79XX series call goes fine without delay. But when dial from DX650 there is delay...

Hi, We are running CUCM 8.6 with Single line ( VOIP & PSTN) with Geo location & LRG in place. Also we have UNx 10.5. Current Requirement is 100 users are moving to different location in same cluster. From Location A to Location B. Requirement: Us...

Jagsuvce G by Level 1
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Cisco DX650 trying to dial SIP URI instead of extension for intercluser user.   DX650 registered to CUCM 9.1.2 in sydney cluster with all users (US + Sydney). Call a US user from directory, tries to call as first.last@<IP of Sydney Sub> instead of ex...