Hi,
I have a doubt on how to indicate Calling Party Category (CPC) parameter in an INVITE
message. I had gone through draft "draft-mahy-iptel-cpc-00.txt" that says that cpc
should be included as the uri parameter of the from header. An example is given as :-
INVITE sip:[EMAIL PROTECTED] SIP/2.0
To: "Bob" <sip:[EMAIL PROTECTED]>
From: <tel:+17005554141;cpc=payphone>;tag=1928301774
In the example, cpc is represented as parameter of the from uri. Suppose CPC has to be
used with a sip uri, how should that be included. Is it :-
From: <sip:[EMAIL PROTECTED];cpc=payphone>;tag=1928301774
or is it
From: <sip:+17005554141;[EMAIL PROTECTED]>;tag=1928301774
I have a feeling that the second option is correct. I wanted to confirm whether my
understanding is correct.
Is there any other draft or rfc that says how the cpc paramter should be used in SIP
protocol other than the one i referred.
Rgds
Krishna
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