IP Telephony and Phones

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 Hello all, We have multiple  187's in our system that activate a remote ringer. the problem we have been experiencing is that the ATA will lock in and keep ringing.There is no call coming in at all. but when I hook up a test set on the output it jus...

khenning by Level 1
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  • 9 replies
  • 0 Helpful votes

Has anyone attempted to put the IP address on the CIMC from the serial port? Thought it would be nice to not have to drag out the monitor and keyboard but I cant seem to get the proper pin out or and baud rate information.

gene by Level 1
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  • 11 replies
  • 0 Helpful votes

Hi all, i've CM 9.0 and collab servers, registered to CM are IP Phone 79xx, 69xx, DX-series, EX-series, and Telepresence series, also i have E20. previously all telephony services working well, but after upgrade CM to 9.1.2 i found problem. the probl...

ahmed by Level 1
  • 314 Views
  • 2 replies
  • 0 Helpful votes

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...