[cisco-voip] 8941 SCCP 9.2.3.5 on 8.6 - One suddenly going Phone Not Registered

[Dana Tong]

Hi Matthew,

I am assuming the call was an external call.

I have seen the following scenario.
External call via H.323 gateway to ISDN PRI.
WAN connection goes down, phone reports registration fail.
Call drops out.

The fix for this instance (so that the call stays up at least) is to:
Set the CUCM service parameter – allow peer to preserve call = True
Configure call preservation on the H.323 gateway.


But I guess this depends on your deployment and the scenario in which the call failed.

Hope this helps you somewhat.

Cheers
Dana



From: cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Charles Goldsmith
Sent: Wednesday, 12 November 2014 12:25 PM
To: Matthew Ballard
Cc: 'cisco-voip at puck.nether.net' (cisco-voip at puck.nether.net)
Subject: Re: [cisco-voip] 8941 SCCP 9.2.3.5 on 8.6 - One suddenly going Phone Not Registered

The phone won't disconnect a call and I've never heard of that happening, other than network issues.  I'd check layer1 and 2.  Could be a bad cable or a cable that has been pinched or damaged

On Tue, Nov 11, 2014 at 6:31 PM, Matthew Ballard <mballard at otis.edu<mailto:mballard at otis.edu>> wrote:
I’ve received a report from a user that her phone has now twice (once yesterday in the middle of a call, once today) has suddenly gone to Phone Not Registered (interrupting the phone call).

Has anyone ever seen that happen before?  No one else has reported that issue (and I use one myself), and it has been running fine for months without issue.  Also, if she unplugs and re-plugs it back in, it comes up fine.

Matthew Ballard
Network Manager
Otis College of Art and Design
310-665-6929<tel:310-665-6929>
mballard at otis.edu<mailto:mballard at otis.edu>


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