IP Telephony and Phones

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Adding a new device in CUCM SME

Understood CUCM and CUCM SME is very similar except CUCM SME wont be used for phone registrations and used mainly for call routing between clusters or various devices as per below discussion link: https://community.cisco.com/t5/ip-telephony-and-phone...

hkkmr19 by Beginner
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  • 6 replies
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ATA191 Losing Registration

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...

chuck47172 by Beginner
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  • 8 replies
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Resolved! One Way Audio issue..

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...

ATA 191 does not work

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 Beginner
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  • 3 replies
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Sip UA Registration Failure

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 Beginner
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  • 28 replies
  • 0 Helpful votes