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

[Keith Allan]

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.

 

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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

 

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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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