[cisco-voip] After upgrade to 8.6.2a one way audio for some calls-No codec selected!
Anthony Kouloglou
akoul at dataways.gr
Tue Jan 24 11:00:34 EST 2012
Hi Mike,
i have completely disabled inspection on an ASA that i have that does
only routing.
The question is: has something changed in SCCP negotiation in CUCM 8.6?
The whole setup has been working for 3 years!!
Anthony
On 24-Jan-12 16:34, Mike King wrote:
> Having been bitten by this, Check for this.
>
> Specifically, do you have ASA's doing site to site VPN's? By default
> they do INSPECTION, which can drop SCCP packets they don't recoginize.
>
> Mike
>
> 2012/1/23 Dennis Heim <Dennis.Heim at cdw.com <mailto:Dennis.Heim at cdw.com>>
>
> This may have already been mentioned but building on what Ryan
> said... probably between 6.1(2) and 8.6.x you had a firmware
> change, probably from around 8.4ish to 9.x. The sccp version
> changes, and it sounds like you might have some firewall/security
> device in the way that is not opening the ports because it is used
> to the older version of skinny.
>
> -Dennis-
>
> ------------------------------------------------------------------------
> *From:* cisco-voip-bounces at puck.nether.net
> <mailto:cisco-voip-bounces at puck.nether.net>
> [cisco-voip-bounces at puck.nether.net
> <mailto:cisco-voip-bounces at puck.nether.net>] on behalf of Ryan
> Ratliff [rratliff at cisco.com <mailto:rratliff at cisco.com>]
> *Sent:* Monday, January 23, 2012 2:05 PM
> *To:* Anthony Kouloglou
> *Cc:* Mike; cisco-voip at puck-nether.net
> <mailto:cisco-voip at puck-nether.net>
>
> *Subject:* Re: [cisco-voip] After upgrade to 8.6.2a one way audio
> for some calls-No codec selected!
>
> If the phone don't show a codec when the call is set up then this
> isn't a typical routing issue. The most obvious reason for the
> phone not sending audio is it isn't getting the skinny
> StartMediaTransmission message from CUCM.
> Have you looked at ccm traces for one of these calls? When you
> do look at the messages going to and from the phones in the call.
> Compare/contrast what you see there to a working call and call out
> what's different.
>
> You can get a packet capture at the phone as well to see what it
> is being told to send to from CUCM. I'd also double check
> there's nothing in the network doing sccp inspection. You can
> get a simultaneous packet capture at the phone and cucm to make
> sure every packet leaving the server gets to the phone (intact).
>
> -Ryan
>
> On Jan 23, 2012, at 1:48 PM, Anthony Kouloglou wrote:
>
> There is no way that this is the problem.
> In one remote site i had only one 7911 working fine with CUCM 6.1.2.
> After the upgrade to 8.6.2a, even this old phone is having the
> same issue!
> I keep having on the phone status: failed to update itl .
>
> On 23/1/2012 8:09 μμ, Peter Slow wrote:
>> I think what MIke meant was "Check the routing path between the
>> two phones."
>>
>> -Peter
>>
>>
>> On Mon, Jan 23, 2012 at 12:41 PM, Mike <mikeeo at msn.com
>> <mailto:mikeeo at msn.com>> wrote:
>>
>> Your key statement is this:
>>
>>
>> Then, we moved it to another subnet.
>> It got registered but not audio in one way!
>>
>>
>> Check your routing path to the CM.
>>
>>
>> *From:*cisco-voip-bounces at puck.nether.net
>> <mailto: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
>> *Anthony Kouloglou
>> *Sent:* Monday, January 23, 2012 10:15 AM
>> *To:* Nate VanMaren
>> *Cc:* cisco-voip at puck-nether.net
>> <mailto:cisco-voip at puck-nether.net>
>> *Subject:* Re: [cisco-voip] After upgrade to 8.6.2a one way
>> audio for some calls-No codec selected!
>>
>>
>> Yes!
>> Everything seems to be as it supposed to be!
>> One Phone got registered at the main site. Worked fine.
>> Then, we moved it to another subnet.
>> It got registered but not audio in one way!
>>
>> Can't this ITL/CTL feature/bug be disabled?
>>
>> On 20-Jan-12 17:26, Nate VanMaren wrote:
>>
>> Are your phones running firmware you expect them to be?
>>
>>
>> *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
>> *Anthony Kouloglou
>> *Sent:* Friday, January 20, 2012 1:33 AM
>> *To:* cisco-voip at puck-nether.net
>> <mailto:cisco-voip at puck-nether.net>
>> *Subject:* [cisco-voip] After upgrade to 8.6.2a one way audio
>> for some calls-No codec selected!
>>
>>
>> Hi all,
>> here is a tough one!
>> I recently upgraded my 6.1 cluster to 8.6.2a.
>> Since my Hardware was 7825H3 typically it was not an upgrade
>> rather than a fresh install using a usb drive (cisco has this
>> procedure for these type of servers)
>> The upgrade was smooth for pub and one sub.
>> All phones reregistered and upgraded.
>> In the main site there are 20 devices (7975, 7961, 7911) and
>> at 2 remote sites 2 devices (one at each site).
>> After the upgrade:
>> all phones in the main site can talk to each other.
>> The two remote phones can talk to each other.
>> Each of the remote phones when talking to main site have one
>> way audio!
>> The remote site does not hear the main site always.
>> There is no firewall/NAT between the sites.
>> I noticed that there is no codec selected for the audio
>> stream that has the problems and so no transmit (or received
>> packets for the other).
>> And i explain: in an active call between the main site and a
>> remote i checked the send/received codecs and statistics.
>> the main site had g711 as received codec and of course the
>> received packets augmented
>> but there was none as send codec and of course no packets
>> transmited.
>> In the remote site the findings were inversed (no receive
>> codec and no receive packets
>>
>> lease advise
>>
>> BR
>> Anthony
>>
>>
>>
>>
>>
>>
>>
>> NOTICE: This email message is for the sole use of the
>> intended recipient(s) and may contain confidential and
>> privileged information. Any unauthorized review, use,
>> disclosure or distribution is prohibited. If you are not the
>> intended recipient, please contact the sender by reply email
>> and destroy all copies of the original message.
>>
>>
>>
>> _______________________________________________
>> cisco-voip mailing list
>> cisco-voip at puck.nether.net <mailto:cisco-voip at puck.nether.net>
>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>
>>
>
> _______________________________________________
> cisco-voip mailing list
> cisco-voip at puck.nether.net <mailto:cisco-voip at puck.nether.net>
> https://puck.nether.net/mailman/listinfo/cisco-voip
>
>
> _______________________________________________
> cisco-voip mailing list
> cisco-voip at puck.nether.net <mailto:cisco-voip at puck.nether.net>
> https://puck.nether.net/mailman/listinfo/cisco-voip
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://puck.nether.net/pipermail/cisco-voip/attachments/20120124/bf5b6093/attachment.html>
More information about the cisco-voip
mailing list