[Freeswitch-users] DTMF missing digits

Tue Mar 24 03:07:25 MSK 2015

Setting the duration seems to solve the problem for me.

<param name="default-dtmf-duration" value="800"/>

On Mon, Mar 23, 2015 at 6:05 PM, Brian West <brian at freeswitch.org> wrote:

> The rubix cube of rtp_bugs may help, I can almost bet IGNORE_DTMF_DURATION
> and GEN_ONE_GEN_ALL may be all you.
>
> On Mon, Mar 23, 2015 at 4:16 PM, Sharath Kumar <Sharath.Kumar at mezocliq.com
> > wrote:
>
>>  That is not a good thing. So, if we are using freeswitch and have
>> intermittent audio issues with PSTN calls, I guess there is no real
>> solution except to change the carrier ?
>>
>>
>>
>> *From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
>> freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Michael
>> Jerris
>> *Sent:* Monday, March 23, 2015 4:52 PM
>>
>> *To:* FreeSWITCH Users Help
>> *Subject:* Re: [Freeswitch-users] DTMF missing digits
>>
>>
>>
>> Some sonus settings are VERY specific to specific sonus firmware and will
>> completely break talking to others.  In fact, for the same reasons, some
>> versions of sonus firmware will break when talking to different versions of
>> sonus firmware.
>>
>>
>>
>>
>>
>>  On Mar 23, 2015, at 3:37 PM, Sharath Kumar <Sharath.Kumar at meZocliq.com>
>> wrote:
>>
>>
>>
>> I am having similar issues with Sonus and occasional packet loss etc. I
>> am using not the latest and greatest FS but was updated last Nov 2014.
>>
>>
>>
>> The wiki states
>>
>> “Note that the version of FreeSWITCH which has this patch auto-detects
>> Sonus, so you don't need to configure anything”
>>
>>
>>
>> Does it really apply **all** of the fixes for SONUS or only the DTMF fix.
>>
>>
>>
>> I was considering using the below param tailored for Sonus bugs.Do these
>> have any effect ? or are they deprecated ?
>>
>>
>>
>> <param name="manual-rtp-bugs" value=" SONUS_SEND_INVALID_TIMESTAMP_2833
>>
>>  |SEND_LINEAR_TIMESTAMPS|START_SEQ_AT_ZERO|NEVER_SEND_MARKER|IGNORE_DTMF_DURATION|
>> |GEN_ONE_GEN_ALL"/>
>>
>>
>>
>> And clear the auto-detection param.
>>
>>
>>
>> Thanks
>>
>> Sharath
>>
>>
>>
>>
>>
>> *From:* freeswitch-users-bounces at lists.freeswitch.org [
>> mailto:freeswitch-users-bounces at lists.freeswitch.org
>> <freeswitch-users-bounces at lists.freeswitch.org>] *On Behalf Of *Chris
>> Tunbridge
>> *Sent:* Friday, March 20, 2015 4:22 PM
>> *To:* FreeSWITCH Users Help
>> *Subject:* Re: [Freeswitch-users] DTMF missing digits
>>
>>
>>
>> Aron its not that you're doing inband suppression, Sonus is buggy and if
>> its in your media path it can cause lots of headaches.  Many carriers use
>> Sonus, some as just SBC's and some that handle media.
>>
>>
>>
>> On Fri, Mar 20, 2015 at 1:43 PM, Podrigal, Aron <aronp at guaranteedplus.com>
>> wrote:
>>
>>  I'm sending rfc2833, I don't do any inband suppression on the channel .
>>
>>
>>
>> On Fri, Mar 20, 2015 at 6:33 AM, Stanislav Sinyagin <ssinyagin at gmail.com>
>> wrote:
>>
>>  how do you send DTMF to sonus? info or rfc2833?
>>
>>
>>
>> On Thu, Mar 19, 2015 at 5:10 PM, Podrigal, Aron
>> <aronp at guaranteedplus.com> wrote:
>> > I am experiencing problems with sonus dtmf. I tried setting different
>> > parameters related to the RTP BUGS listed in switch_types.h but it did
>> not
>> > seem to fix the problem.
>> >
>> > I have freeswitch ----> [carrier(sonus), ...]  -----> freeswitch
>> >
>> > freeswitch sends the following digits to our carrier, and is received
>> by the
>> > other end (also a freeswitch) missing the digits marked in black.
>> > pcap shows the missing digits as being part of the previous packet, so
>> two
>> > 1's becomes one 1 with the duration sum of two.
>> >
>> >  1   -    1   -    2   -    1   -    1   -    #
>> >
>> > What are the relevant parameters I should set?
>> >
>>
>> >
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>>
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>>
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>>
>> _________________________________________________________________________
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>>
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>
>
>
> --
>
> *Brian West*
> brian at freeswitch.org
>
>
> *Twitter: @FreeSWITCH , @briankwest*
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>
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