[cisco-voip] What would cause DTMF not to go through

[Scott Voll]

any news on a new firmware for a fix?  the bug says there are some fixed
Firmwares but i don't see any posted yet.  Can you get us an ETA on release?

More and more users are calling in on the problem.

Thanks

scott

On Mon, Oct 13, 2008 at 7:03 AM, Ryan Ratliff <rratliff at cisco.com> wrote:

>  CSCsv04751 was filed by one of the CME guys to track this.   It looks
> like the phones are sending the dtmf digits in-band as well as out of band
> and this is what causes the double keypresses.   It also appears this
> behavior changes depending on if you are using the
> handset/headset/speakerphone.
>
>
> -Ryan
>
>
>  ------------------------------
> *From:* cisco-voip-bounces at puck.nether.net [mailto:
> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Ryan Ratliff
> *Sent:* Monday, October 13, 2008 9:51 AM
> *To:* 'Nick Thompson'; 'Scott Voll'; 'James Buchanan'
>
> *Cc:* Dave_Landsiedel at bobcat.com; 'cisco voip'
> *Subject:* Re: [cisco-voip] What would cause DTMF not to go through
>
>   I was doing some work on this Friday and there is definitely some noise
> generated in-band by sccp phones on 8.4(1).  If you take a packet capture
> and listen to the audio it sounds like a "blurp" sound (very technical, I
> know) every time  you press a dtmf digit.  I think what is happening is that
> this combined with the in-band dtmf generated by the gateway (dtmf should be
> out of band from phone to cucm to the gateway) can cause all kinds of wierd
> problems on the receiving end.
>
> I'm digging now to see if there's a bug already opened.  If not there will
> be one by the end of the day.
>
>
> -Ryan
>
>
>  ------------------------------
> *From:* cisco-voip-bounces at puck.nether.net [mailto:
> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Nick Thompson
> *Sent:* Sunday, October 12, 2008 10:15 PM
> *To:* Scott Voll; James Buchanan
> *Cc:* Dave_Landsiedel at bobcat.com; cisco voip
> *Subject:* Re: [cisco-voip] What would cause DTMF not to go through
>
>  I am also running into some DTMF issues at an installation I am currently
> doing utilizing 7962s on the latest firmware (SCCP42.8-4-1SR1S) as well as
> 7942s on firmware SCCP42.8-4-1SR1S.  However, I am using MGCP on my
> gateways.  I've got various users running into issues with unrecognized
> digits, multiple digit presses, among other things.  I'm actually glad to
> see a few others are having this issue as the reports at this install have
> been popping up a little more often.
>
>
>
> Has anybody tried a downgrade of the phone firmware?
>
>
>
> Thanks.
>
>
>
> Nick Thompson
>
> Senior Network Engineer
>
> Corporate Technologies, LLC
>
> E-Mail: nick.thompson at gocorptech.com
>
> http://www.gocorptech.com/
>
>
>
> *From:* cisco-voip-bounces at puck.nether.net [mailto:
> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Scott Voll
> *Sent:* Thursday, October 09, 2008 3:25 PM
> *To:* James Buchanan
> *Cc:* cisco-voip-bounces at puck.nether.net; Dave_Landsiedel at bobcat.com;
> cisco voip
> *Subject:* Re: [cisco-voip] What would cause DTMF not to go through
>
>
>
> more wide spread.  They are G711, but thus far it's just one location
> (multiple users) but they are the only ones that are using 7962 phones and
> firmware 8.4.1.  Also.  I see a bunch of bugs for DTMF but they are all
> related to SIP / CTI but these users are not using either of those.
>
>
>
> Any more ideas?
>
>
>
> Scott
>
> On Tue, Oct 7, 2008 at 12:05 PM, James Buchanan <jbuchanan at ctiusa.com>
> wrote:
>
> The rtp-nte is used typically for SIP trunks. H245-alphanumeric is what you
> would typically use. Have you determined this to be for one specific user or
> is it more widespread?
>
>
>
> *From:* cisco-voip-bounces at puck.nether.net [mailto:
> cisco-voip-bounces at puck.nether.net] *On Behalf Of *Scott Voll
> *Sent:* Tuesday, October 07, 2008 2:01 PM
> *To:* Dave_Landsiedel at bobcat.com
> *Cc:* cisco-voip-bounces at puck.nether.net; cisco voip
> *Subject:* Re: [cisco-voip] What would cause DTMF not to go through
>
>
>
> H323
>
>
>
> What's the difference between
>
>
>
>  dtmf-relay h245-alphanumeric
>
>
>
> and
>
>
>
> dtmf-relay rtp-nte h245-alphanumeric
>
> ??
>
>
>
> CMM blade with IOS 12.4(15)T4
>
>
>
> Thanks
>
>
>
> Scott
>
> On Tue, Oct 7, 2008 at 11:09 AM, <Dave_Landsiedel at bobcat.com> wrote:
>
>
> If using dial peer voice voip via a H323 gateway make sure you have the
> following line in that dial peer.
>
>   dtmf-relay rtp-nte h245-alphanumeric
>
> _________________________________
>
>
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://puck.nether.net/pipermail/cisco-voip/attachments/20081024/86a99015/attachment.html>