[Freeswitch-users] fyi - DTMF with FlowRoute

[Brian West]

the different rates are on different payloads, if something is matching
only telephony-event as a cheat, they may get it wrong.

On Mon, Jan 25, 2016 at 1:50 PM, Justin Grow <jgrow at flowroute.com> wrote:

> I'm curious how we are handling the multiple sample rates offered for
> DTMF. If you can open up a ticket at support.flowroute.com, and run a few
> test calls for us to capture, we'll get to the bottom of it.
>
>
> On Mon, Jan 25, 2016 at 11:31 AM Nathan Neulinger <nneul at mst.edu> wrote:
>
>> I know this has been brought up previously in another thread, but wanted
>> to mention I'm seeing it as well. However - I
>> do have an additional data point.
>>
>> This is the SDP being sent:
>>
>>     v=0
>>     o=FreeSWITCH 1453729420 1453729421 IN IP4 131.151.x.x
>>     s=FreeSWITCH
>>     c=IN IP4 131.151.x.x
>>     t=0 0
>>     m=audio 19222 RTP/AVP 102 103 9 0 8 104 106 101
>>     a=rtpmap:102 G7221/32000
>>     a=fmtp:102 bitrate=48000
>>     a=rtpmap:103 G7221/16000
>>     a=fmtp:103 bitrate=32000
>>     a=rtpmap:9 G722/8000
>>     a=rtpmap:0 PCMU/8000
>>     a=rtpmap:8 PCMA/8000
>>     a=rtpmap:104 telephone-event/32000
>>     a=fmtp:104 0-16
>>     a=rtpmap:106 telephone-event/16000
>>     a=fmtp:106 0-16
>>     a=rtpmap:101 telephone-event/8000
>>     a=fmtp:101 0-16
>>     a=ptime:20
>>
>> I realize that anything other than PCMU is pointless with flowroute.
>> Symptom is seen on both 1.4 and 1.6.
>>
>> Confirming what some others on the thread have said - forcing codec to
>> PCMU (in my case via carrier_gateway lcr table),
>> immediately corrects the issue. It seems like a definite bug on
>> flowroute's side, and will be following up with that on
>> the open case.
>>
>> -- Nathan
>>
>> ------------------------------------------------------------
>> Nathan Neulinger                       nneul at mst.edu
>> Missouri S&T Information Technology    (573) 612-1412
>> System Administrator - Architect
>>
>> _________________________________________________________________________
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>>
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>>
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>
> Justin Grow
>
> Operations
>
> <https://links.mixmax.com/b/2FSZu0eMXlzti9F0W?rn=ICcsVGSgMnclNXVgg0QUl0VTVWZyZkI&re=icmcv5CajRXa3NXZlJnZuMHdzlGbANnclNXdtg2Y0l2dzVWZyZmI>
> +1.206.641.8038
> <https://links.mixmax.com/b/toFJ630EPWHpLfK5d?rn=ICcsVGSgMnclNXVgg0QUl0VTVWZyZkI&re=icmcv5CajRXa3NXZlJnZuMHdzlGbANnclNXdtg2Y0l2dzVWZyZmI>
>
> jgrow at flowroute.com
> <https://links.mixmax.com/b/RsR2zxsh3vymbJ32a?rn=ICcsVGSgMnclNXVgg0QUl0VTVWZyZkI&re=icmcv5CajRXa3NXZlJnZuMHdzlGbANnclNXdtg2Y0l2dzVWZyZmI>
>
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> 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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>



-- 

*Brian West*
brian at freeswitch.org


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