I did not get the question comepletely.
Did you mean that can we specify only the port number without uri ? if
this is the question, the answer would be NO....
If you are mentioning the port number in URI, its expected to mention in
IP:PORT format.
You can refer the ABNF (section 25) for URIs to find complete syntax for
mentioning different headers used in SIP
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
SIP-URI = "sip:" [ userinfo ] hostport
uri-parameters [ headers ]
SIPS-URI = "sips:" [ userinfo ] hostport
uri-parameters [ headers ]
userinfo = ( user / telephone-subscriber ) [ ":" password ] "@"
user = 1*( unreserved / escaped / user-unreserved )
user-unreserved = "&" / "=" / "+" / "$" / "," / ";" / "?" / "/"
password = *( unreserved / escaped /
"&" / "=" / "+" / "$" / "," )
hostport = host [ ":" port ]
host = hostname / IPv4address / IPv6reference
hostname = *( domainlabel "." ) toplabel [ "." ]
domainlabel = alphanum
/ alphanum *( alphanum / "-" ) alphanum
toplabel = ALPHA / ALPHA *( alphanum / "-" ) alphanum
IPv4address = 1*3DIGIT "." 1*3DIGIT "." 1*3DIGIT "." 1*3DIGIT
IPv6reference = "[" IPv6address "]"
IPv6address = hexpart [ ":" IPv4address ]
hexpart = hexseq / hexseq "::" [ hexseq ] / "::" [ hexseq ]
hexseq = hex4 *( ":" hex4)
hex4 = 1*4HEXDIG
port = 1*DIGIT
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Regards,
Nataraju A.B.
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Howard
Kao
Sent: Wednesday, August 03, 2005 12:01 PM
To: [email protected]
Subject: [Sip-implementors] Question about : and port number following
SIPTO and SIP From addresses
Hi all,
As subject, I would like to know how rfc 3261regards a :5060 or other
port number behind the addresses in the SIP TO and From header fields
. We are trying to work with some IP phones and they can't register
with :<port number> right behind the SIP URIs. I only know from rfc
3261 that if this is not specified, it means :5060, default port. Can
anyone elaborate on this? Thanks.
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