Kurt,
Look into the section 25.1 of RFC3261:
SIP-URI = "sip:" [ userinfo ] hostport
uri-parameters [ headers ]
userinfo = ( user / telephone-subscriber ) [ ":" password ] "@"
user = 1*( unreserved / escaped / user-unreserved )
user-unreserved = "&" / "=" / "+" / "$" / "," / ";" / "?" / "/"
unreserved = alphanum / mark
mark = "-" / "_" / "." / "!" / "~" / "*" / "'"
/ "(" / ")"
escaped = "%" HEXDIG HEXDIG
So, any character MAY be quoted (using "escaped" construct) (but SHOULD
NOT if "unreserved", see 2.3 of RFC2396), and some characters SHALL be
quoted (because they are not listed in unreserved or user-unreserved).
So, '#' SHALL be escaped (but is often written unescaped in the real world).
Mailing List wrote:
> Hi,
>
> Is it allowed to have the "#" in the request uri (.e.g. sip:999#
> [EMAIL PROTECTED] ) or in the Contact header or must it be escaped using %23 (
> [EMAIL PROTECTED]).
>
> Thx
>
> Kurt
--
Sincerely,
Andrew Pogrebennyk
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