[SIPForum-discussion] HELP:a question about the headers in SIP URI

[Ashraf Emam]

Hi Nancy,

Please check this Link for more info on SIP headers,

http://publib.boulder.ibm.com/infocenter/rpthelp/v8r0m0/index.jsp?topic=/com.ibm.rational.test.lt.sip.doc/topics/caboutsipheaders.html

Thanks,
Ashraf EMAM,

________________________________________
From: discussion-bounces at sipforum.org [discussion-bounces at sipforum.org] On Behalf Of nancy.fan [fanyanping at huawei.com]
Sent: Monday, October 12, 2009 6:37 AM
To: discussion at sipforum.org
Subject: [SIPForum-discussion] HELP:a question about the headers in SIP URI

Hi ALL,
can somebody tell me the function of the headers in SIP URI?? what is the
mean of the headers?? can be the message-header in SIP,such as Call-ID? the
following is the definition of SIP URI in RFC3261:
SIP-URI          =  "sip:" [ userinfo ] hostport
                    uri-parameters [ headers ]

headers         =  "?" header *( "&" header )
header          =  hname "=" hvalue
hname           =  1*( hnv-unreserved / unreserved / escaped )
hvalue          =  *( hnv-unreserved / unreserved / escaped )
hnv-unreserved  =  "[" / "]" / "/" / "?" / ":" / "+" / "$"

 thanks in advance!!

Best Regards.
nancy



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