[cisco-voip] Odd 79XX Remote Behavior

[Nate VanMaren]

I thought the phones always try and get the sgn file first, then it fails and it does the normal?

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Tim
Sent: Wednesday, June 06, 2012 2:54 PM
To: 'Jason Aarons (AM)'; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Odd 79XX Remote Behavior

Getting a little closer on this one.

A capture of a phone that actually registers is looking for SEPXXXXXXXXXXX.cnf.xml where as the bad trace shows the phone trying to access SEPXXXXXXXXXXX.cnf.xml.sgn

I know SGN means signed, but why would it be randomly requesting a file that doesn't exist?

Thanks,
Tim

From: Jason Aarons (AM) [mailto:jason.aarons at dimensiondata.com]<mailto:[mailto:jason.aarons at dimensiondata.com]>
Sent: Wednesday, June 06, 2012 2:13 PM
To: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>; bcchimp at gmail.com<mailto:bcchimp at gmail.com>
Subject: RE: [cisco-voip] Odd 79XX Remote Behavior

Last I ran into this, 3 weeks ago. The wan link had large packet loss. Phones were doing odd things. Wireshark showed tftp timeouts, retries, etc. I had ccm 8.5.1su3 with 7965s sccp 9.2.1sr2s. Carrier fixes it.

Sent from my Android phone using TouchDown (www.nitrodesk.com<http://www.nitrodesk.com>)

-----Original Message-----
From: Tim [bcchimp at gmail.com]
Received: Wednesday, 06 Jun 2012, 1:50pm
To: Jason Aarons (AM) [jason.aarons at us.didata.com]; cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net> [cisco-voip at puck.nether.net]
Subject: RE: [cisco-voip] Odd 79XX Remote Behavior
You read my mind on the trace, getting TFTP errors when it's trying to access the file from CUCM.  Version 7.15.

From: Jason Aarons (AM) [mailto:jason.aarons at dimensiondata.com]
Sent: Wednesday, June 06, 2012 12:58 PM
To: Tim; cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: RE: [cisco-voip] Odd 79XX Remote Behavior

Go onsite and Wireshark/console/logs the back of phone, etc.

Have you tired changing load on phone?  This is CallManager not CME right?

From: cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Tim
Sent: Wednesday, June 06, 2012 11:24 AM
To: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: [cisco-voip] Odd 79XX Remote Behavior


All,

I have a problem that I think will stump most people.

We have some remote personnel from our main site, building VPN Tunnels using a 2811 to 881 Cisco router.  At their home, they have 794x and 796x phones.  The phones work fine with no issues for periods of time before the phone seems to almost brick.  The screen shows a generic date and time, no softkeys, no extensions.  CUCM shows the phone as "registered," but you cannot get to the web interface of the phone.  Switch on the back of the phone continues to work serving connection to the PCs that are hooked up to them.

We then get the phone shipped back to the main site, plug it in, and it comes up with no issues.  We'll ship another phone out, it works great for a period of time, then stops working again.  IP Communicator works fine from remote on these connections.

Any ideas?

Thanks,
Tim


itevomcid


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