[Freeswitch-users] DTMF missing digits

[Sharath Kumar]

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] 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<mailto: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<mailto: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<mailto: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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http://www.freeswitchsolutions.com

Official FreeSWITCH Sites
http://www.freeswitch.org
http://confluence.freeswitch.org
http://www.cluecon.com

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_________________________________________________________________________
Professional FreeSWITCH Consulting Services:
consulting at freeswitch.org<mailto:consulting at freeswitch.org>
http://www.freeswitchsolutions.com

Official FreeSWITCH Sites
http://www.freeswitch.org
http://confluence.freeswitch.org
http://www.cluecon.com

FreeSWITCH-users mailing list
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http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
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