[cisco-voip] Phone Load 8.0(3) - One Way Audio

Wed Jun 14 11:27:12 EDT 2006

I have the same intermittent one way audio. When the issue started over a
year ago, we were running some version of 6 and upgraded to 7-2-3  on our
7940s and 7960s. The upgrade did nothing to correct the issue. Our 7935s
recently began doing this as well. My biggest challenge is capturing or
even trying to recreate the issue. Have you had any luck in capturing a
trace when this was happening and if so, did Cisco TAC recognize anything
unusual?

- Tennille

             "Keith Allan"                                                 
             <Keith.Allan at 5i.c                                          To 
             o.uk>                     "Linsemier, Matthew"                
             Sent by:                  <MLinsemier at apcapital.com>, "Israel 
             cisco-voip-bounce         Lang" <zephy316 at gmail.com>          
             s at puck.nether.net                                          cc 
                                       cisco-voip at puck.nether.net          
                                                                   Subject 
             06/12/2006 03:42          Re: [cisco-voip] Phone Load 8.0(3)  
             PM                        - One Way Audio                     

We are hitting the same problem following the upgrade from firmware 7-2-3
to 8-0-2 after upgrading to 4-1-3sr2.  The problem is intermittent.  We
have now downgraded some of our phones back to 7-2-3 to see if it is the
firmware.  We are also on a single subnet and did not have this problem
prior to the upgrade.

Keith.

From: Linsemier, Matthew [mailto:MLinsemier at apcapital.com]
Sent: 12 June 2006 15:59
To: Israel Lang
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Phone Load 8.0(3) - One Way Audio

As stipulated below, phones are on the same logical VLAN so no routing is
taking place other then call setup and teardown to the Call Managers.
Additionally, I know that it has nothing to do with the CSS because if this
was the issue the call would not be connected in the first place and users
would hear fast busy.

This problem started specifically with the 8.0(3) phone load.  The only
other change that as been made has been the OS2.4sr7 patch, which I find
unlikely to be causing this problem.

Matt

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Israel Lang
Sent: Monday, June 12, 2006 10:50 AM
To: Linsemier, Matthew
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Phone Load 8.0(3) - One Way Audio

Sounds like a classic partition/CSS issue to me. I would check to make sure
that phone A and phone B have each others partitions in their CSS. Sounds
to me like B does and A doesn't. Could also be a routing issue.
On 6/12/06, Linsemier, Matthew <MLinsemier at apcapital.com> wrote:

Has anyone run into a One Way Audio issue with phone load 8.0(3) on a 7960?
I had piloted the phone load with about 20 phones and didn't hear of any
reported problems.  Now after I have pushed the load to around 200+ phones
I have users calling into the helpdesk reporting problems under the
following circumstances.  Please note that the calls are internal and on
the same LAN (even logical VLAN).

      1)       User A calls User B

      2)       User B can hear User A talking, however User A cannot hear
      User B.

      3)       User A hangs up and calls User B again and there are no
      issues.

I haven't had any issues to date with the older, 8.0(2) (or earlier) phone
loads.  I am thinking that I am going to roll everyone back, but I wanted
to see if anyone is having the issue while also warning people of the
problem.

Sincerely,

Matthew M. Linsemier, CCSP/CCNP/CCDA
Senior Network Engineer
APCapital
Voice: 517.324.6695
Fax: 517.333.2812
E-Mail: mlinsemier at apcapital.com

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