[SIPForum-discussion] RFC 2833 payload negotiation ...
Madabhushi Pramod
madabhushi_p at yahoo.com
Thu Aug 25 15:48:04 UTC 2005
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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