[Freeswitch-users] rfc2833-pt

Kristian Kielhofner kris at kriskinc.com
Fri Apr 29 20:03:30 MSD 2011


According to the IANA payload types:

http://www.iana.org/assignments/rtp-parameters

96-127 are dynamic.  Anything is available to use them.  The
"limitations" you are describing come from Audiocodes.  In my
experience with a wide variety of endpoints 101 is fairly
typical/standard for RFC 2833.


On Fri, Apr 29, 2011 at 11:00 AM, Boris Kovalenko <boris at tagnet.ru> wrote:
> Hello!
>
> Ok. And why FS uses 101 while valid are 96 to 99? Or this means valid
> only for MP-118?
>
>> You don't have to change it.  SDP will handle it for you.
>>
>> I've worked with many AudioCodes gateways without every change the
>> RFC2833 payload type.
>>
>> On Fri, Apr 29, 2011 at 10:42 AM, Boris Kovalenko<boris at tagnet.ru>  wrote:
>>> Hello!
>>>
>>>      In the Audiocodecs MP-118 User's Manual "The RFC 2833 DTMF relay
>>> dynamic payload type. The valid range is 96 to 99, and 106 to 127. The
>>> default is 96. The 100, 102 to 105 range is allocated for proprietary
>>> usage." But FS uses 101 by default. Is this ok or should I change it to
>>> 96 for example?
>>>
>>> --
>>> Regards,
>>> Boris
>>>
>>>
>>>
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>>
>>
>
>
> --
> С уважением,
>   Борис Коваленко
>   ЗАО "Тагнет"
>   тел. +7 (3435) 230001
>   факс +7 (3435) 230005
>
>
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-- 
Kristian Kielhofner



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