[cisco-voip] Cisco 8841/51 not sending DTMF...

Ryan Huff ryanhuff at outlook.com
Tue Jul 7 20:28:22 EDT 2015


Well it sounds like it may be a firmware thing if upgrading allowed dtmf over skinny to work (which was the more odd of the two issues).

You could grab some pcap's to get a more clear picture.

Thanks,

Ryan

-------- Original Message --------
From: Jonathan Charles <jonvoip at gmail.com>
Sent: Tuesday, July 7, 2015 08:20 PM
To: Ryan Huff <ryanhuff at outlook.com>
Subject: Re: [cisco-voip] Cisco 8841/51 not sending DTMF...
CC: cisco-voip at puck.nether.net

>Just RTP-NTE on the gateway... verified dial peer matched...
>
>On Tue, Jul 7, 2015 at 7:03 PM, Ryan Huff <ryanhuff at outlook.com> wrote:
>
>> On the intetnal side, do your skinny ports have access to an mtp?
>>
>> On the external side, what DTMF signaling methods are you supporting? Just
>> rtp-nte?
>>
>> Do you have any other SIP phones at this site/cluster?
>>
>> Thanks,
>>
>> Ryan
>>
>>
>> -------- Original Message --------
>> From: Jonathan Charles <jonvoip at gmail.com>
>> Sent: Tuesday, July 7, 2015 07:44 PM
>> To: Ryan Huff <ryanhuff at outlook.com>
>> Subject: Re: [cisco-voip] Cisco 8841/51 not sending DTMF...
>> CC: cisco-voip at puck.nether.net
>>
>> I am SCCP to CUC; SIP to SIP for PSTN (SIP trunk to CUBE, SIP trunk to CL)
>>
>> On Mon, Jul 6, 2015 at 3:27 PM, Ryan Huff <ryanhuff at outlook.com> wrote:
>>
>>> Are you sip to cuc ab d the pstn? If so, what is your dtmf support in
>>> your trunks?
>>>
>>> Thanks,
>>>
>>> Ryan
>>>
>>>
>>> -------- Original Message --------
>>> From: Jonathan Charles <jonvoip at gmail.com>
>>> Sent: Monday, July 6, 2015 04:11 PM
>>> To: cisco-voip at puck.nether.net
>>> Subject: [cisco-voip] Cisco 8841/51 not sending DTMF...
>>>
>>> We have a site with new Cisco 8841 and 51 phones (CUCM 10.5.2), running
>>> 10.2.2.16, and they are not sending DTMF externally... or internally to
>>> voicemail.
>>>
>>> An IP Communicator does send DTMF without issue.
>>>
>>> Any known issues with these new phones?
>>>
>>>
>>>
>>>
>>> Jonathan
>>>
>>
>>
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