Hi
Please refer draft draft-levy-sip-diversion-08.txt for details regarding the
diversion header usage/syntax.
Path - http://tools.ietf.org/id/draft-levy-sip-diversion-08.txt
Section 5 of the above draft defines the syntax as
The syntax of the Diversion header is:
Diversion = "Diversion" ":" 1# (name-addr *( ";" diversion_params ))
diversion-params = diversion-reason | diversion-counter |
diversion-limit | diversion-privacy |
diversion-screen | diversion-extension
diversion-reason = "reason" "="
( "unknown" | "user-busy" | "no-answer" |
"unavailable" | "unconditional" |
"time-of-day" | "do-not-disturb" |
"deflection" | "follow-me" |
"out-of-service" | "away" |
token | quoted-string )
diversion-counter = "counter" "=" 1*2DIGIT
diversion-limit = "limit" "=" 1*2DIGIT
diversion-privacy = "privacy" "=" ( "full" | "name" |
"uri" | "off" | token | quoted-string )
diversion-screen = "screen" "=" ( "yes" | "no" | token |
quoted-string )
diversion-extension = token ["=" (token | quoted-string)]
Syntactically both of the below seems to be correct, and when receiving the SIP
message containing the header both formats should be supported.
However when sending the header would suggest to put reason=unconditional and
privacy="off" as mentioned in the examples given in the above draft.
regards
Abhishek Dhammawat
Arcient
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of ZEGELS
Walter
Sent: Tuesday, August 11, 2009 2:01 PM
To: [email protected]
Subject: [Sip-implementors] Question about format Diversion header
Hi,
Can someone tell which format of the Diversion header is the correct
one?
Diversion:<sip:[email protected];user=phone>
<sip:[email protected];user=phone>
;reason=unconditional;privacy=off;counter=1
Diversion:<sip:[email protected];user=phone>
<sip:[email protected];user=phone>
;reason="unconditional";privacy="off";counter=1
The question is about the quotes around the unconditional and the off
values.
Are they allowed or not?
Thanks for your help.
Kr,
Walter.
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