[cisco-voip] Odd one-way/no audio issues with just one user

[Erick B.]

They are real callers. They call back and the second calls works fine.


On Tue, Sep 17, 2013 at 3:19 PM, Norton, Mike <mikenorton at pwsd76.ab.ca>wrote:

>  Maybe this is too obvious, but... are you sure the outside caller is
> saying anything? Maybe this one user has gotten their number on some
> spammer’s list and they are receiving dead-air calls from an
> autodialer/fax/etc.****
>
> ** **
>
> -mn****
>
> ** **
>
> ** **
>
> *From:* cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] *On Behalf
> Of *Erick B.
> *Sent:* September-17-13 12:45 PM
> *To:* Ryan Ratliff (rratliff)
> *Cc:* voip puck
> *Subject:* Re: [cisco-voip] Odd one-way/no audio issues with just one user
> ****
>
> ** **
>
> A packet capture from the phone shows the RTP stream with no audio. The
> operator gets calls from all locations though so the problem calls come in
> multiple PRIs and not just one so can't pinpoint it to a particular gateway
> / PRI issue. A majority of the calls do come in the same gateway though and
> the PRI is clean (no errors). Let me look through the CMR records for some
> problem calls. I do have a TAC case on this also. Just looking for some
> more ideas as I've tried almost everything and this is pretty odd. ****
>
> ** **
>
> On Tue, Sep 17, 2013 at 1:09 PM, Ryan Ratliff (rratliff) <
> rratliff at cisco.com> wrote:****
>
> What do the CMR records say about those calls?
>
> -Ryan****
>
>
> On Sep 17, 2013, at 12:51 PM, Erick B. <erickbee at gmail.com> wrote:
>
> Hi,
>
> Anyone have any ideas on this?
>
> Older system, CUCM 6.1.1a (no SUs) that has been running fine for years
> and past 2-3 months only one user is having problems with no audio or one
> way audio on calls. The IP Phone user can't hear the outside caller.
> External calls have issue mostly. Problem happens 1-2 times a day.
>
> We have replaced the 7962 phone, headset, put it in another switch port.
> Updated firmware to 8.5.2 (latest compatibile with 6.1 per docs). I have
> updated the IOS on the MGCP voice gateway from 12.4(15)T4 to 12.4(15)T17
> and that fixed a duplicate DTMF issue (user was hearing DTMF tones on some
> calls) and also seemed to help the problem calls as there are less since
> the IOS upgrade but still 2-3 a day compared to a dozen or so before the
> IOS upgrade.
>
> I haven't been able to duplicate the issue with several hundred calls in,
> it is very sporadic.
>
> I know the CCM version is old, thinking about applying latest SUs for 6.1
> until the client can update to newer hardware. Just strange only one user
> having this problem. We checked around several times.****
>
> _______________________________________________
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> https://puck.nether.net/mailman/listinfo/cisco-voip****
>
> ** **
>
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