[SIPForum-discussion] [SIP-Forum discussion] Support of # into Request-Uri

[Corey Thornburg]

According to RFC2396 2.4.3, # must be escaped as %23, so they should accept it in that format.

That being said, # is not used in SIP URIs the way it is in HTTP URLs, so some endpoints and switch vendors will accept # in the URI.

Corey Thornburg
Senior VoIP Engineer

From: discussion-bounces at sipforum.org [mailto:discussion-bounces at sipforum.org] On Behalf Of Federico piesio
Sent: Wednesday, December 01, 2010 9:37 AM
To: discussion at sipforum.org
Subject: [SIPForum-discussion] [SIP-Forum discussion] Support of # into Request-Uri

Dear members,
I have one doubt regarding use of digit # into R-Uri. The vendor of Class4 softswitch is saying that RFC 3261 specifies that # is not supported as a digit in a sip uri or tel uri, so their implementation is that softswitch receives a R-Uri containing # and changes digit "#" with extradecadic "C" when sending ahead the INVITE.

Does anyone know about this limitation in SIP? I'm really not sure of what vendor states about. I didn't find anything about in 3261 or 2806.

Thank you
Regards
Federico
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