IP Telephony and Phones

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IP phone 78xx firmware downgrade from sip78xx.10-3-1-12 to sip78xx.10-2-1-12 as workaround for Expressway

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...

Isai Reyes by Beginner
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  • 5 replies
  • 0 Helpful votes

Resolved! Cisco Bug: CSCul18667

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...

DX650 dialing delay and same extension display different names on IP Phone and Jabber

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...

Resolved! Call Forwarding for VOIP & PSTN

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 Beginner
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  • 11 replies
  • 0 Helpful votes

Cisco DX650 trying to dial SIP URI instead of extension for intercluser user

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...