[SIPForum-discussion] RFC 2833 payload negotiation ...

[Francois Audet]

100.

It's your receive capabilities.

> -----Original Message-----
> From: discussion-bounces at sipforum.org 
> [mailto:discussion-bounces at sipforum.org] On Behalf Of 
> Madabhushi Pramod
> Sent: Thursday, August 25, 2005 08:48
> To: An open list for discussion of SIP-related topics
> Cc: PMadabhushi at shoretel.com
> Subject: [SIPForum-discussion] RFC 2833 payload negotiation ...
> 
> 
> Do we negotiate RFC 2833 receive payload or transmit
> payload in TELEPHONE-EVENT?
> 
> Lets take an example:
> 
> 1) SIP device A calls SIP device B
> 2) A sends SIP INVITE with RFC 2833 payload as '96' in TELEPHONE-EVENT
> 3) B answers the call and send RFC 2833 payload as
> '100' in TELEPHONE-EVENT as part of 200 Response.
> 
> When A sends out-of-band DTMFs to B (using Rfc 2833),
> which payload it should use - 100 or 96?
> 
> Are we negotiating receive or transmit capabilities?
> 
> Is this documented anywhere?
> 
> Thanks
> Pramod Madabhushi
> 
> Pramod Madabhushi
> email: mpramod at hotmail.com,
>        madabhushi_p at yahoo.com
> Phone:001-408-204-8077
> 
> 
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