[asterisk-users] DTMF digits are coming through twice

[Vik Killa]

I'm not sure I follow, the packet capture on the asterisk server shows
double digits being entered. Does that mean it's the source?

On Wed, Oct 10, 2012 at 11:55 AM, SamyGo <govoiper at gmail.com> wrote:
> Hi,
>
> Not exactly a solution, but I'm sure you must've taken pcap traces of a few
> such sample calls. See in their RTPs that you are receiving repeatedly same
> RTPs which will tell you that any DTMF packet is coming in twice by the
> source or not !
> just one such simple pcap will help you identify at whose end the issue
> lies. If the source is your vendor sending you RTPs twice for DTMFs then
> send them the capture and ask them to fix it however they can.
>
> BR,
> Sammy
>
> On Wed, Oct 10, 2012 at 8:44 PM, Vik Killa <vipkilla at gmail.com> wrote:
>>
>> I've been running an Asterisk server (1.6.2.17.2) for over a year
>> without any major issues. All of a sudden people are unable to login
>> to their voicemail because Asterisk is seeing DTMF twice for each
>> digit the caller pushes. We've noticed the problem only consistently
>> happens to callers from specific locations. All the locations having
>> the issue use te same ITSP and internet provider. The ITSP swears it's
>> not them because they tested outside their phone system, straight from
>> a d-mark. We've tinkered and played with all options in Asterisk
>> related to DTMF with no success. Aside from upgrading Asterisk, I'm at
>> a loss as to how to fix this. This system has worked for over a year
>> without this issue and all of a sudden it appears. My thought is that
>> it's the internet provider (Earthlink) but they say it can not
>> possibly be them. Here is my DTMF settings in sip.conf:
>> dtmfmode=rfc2833
>> relaxdtmf=yes
>>
>> Any input appreciated! Thanks.
>>
>> --
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>
>
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