IP Telephony and Phones

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Cisco Unified CM Administration System version: 10.5.2.12901-1Product Type: Cisco ATA 191Device Protocol: SIPThanks to anyone who addresses my question! I have an ATA that periodically loses registration.Looking at he the ATA logs, I see it keeps rep...

Dear All, We are facing one way Audio issue on CUCM setup. 1-From one Branch to another branch extension to ext call one way audio. 2-Calling on UCCX Helpdesk number have same issue of one Way audio. Note: its happening only from 2 branches, others a...

Bought a brand new ATA 191 Multiplatform on Amazon and entered all the same information that I had in my PAP2T: server, credentials, etc.PAP2T worked and continues to work.ATA 191 gets a 403 error. All credentials were copy and paste, so no typing er...

Fakir by Level 1
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Hi, I have Cisco ISR4331 with Version (Version 03.16.04b.S )((X86_64_LINUX_IOSD-UNIVERSALK9-M), Version 15.5(3)S4b) . I am trying to register sip phones on this and have succeeded. I used bind address command so that sip phones do get registered. but...

Amjad khan by Level 1
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  • 28 replies
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We just upgraded our cluster running 8.0.3 that was running on MCS servers to CUCM cluster running 11.5 using Prime Collaboration Deployment (PCD). Everything else seems to be OK but when I go to Disaster recovery / Backup Device it waits for about 2...

kasper123 by Level 4
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