What is your justification for thinking this? Is there something about
the section I cited that you think doesn't apply?
Paul
rahul wrote:
> Hi,
> I think "#' is allowed...If ur using tel uri
>
> -Regards,
> Ravi
>
> -- Paul Kyzivat <[EMAIL PROTECTED]> wrote:
>
>>
>> Frank Shearar wrote:
>>> "Markus Hofmann" <[EMAIL PROTECTED]> asked:
>>>
>>>> Hello @all,
>>>>
>>>> I checked the RFC 3261 to find out if the hash
>> mark is allowed in the
>>>> SIP URL but did not find anything.
>>>>
>>>> reserved = ";" / "/" / "?" / ":" / "@" / "&"
>> / "=" / "+"
>>>> / "$" / ","
>>>> unreserved = alphanum / mark
>>>> mark = "-" / "_" / "." / "!" / "~" / "*"
>> / "'"
>>>> / "(" / ")"
>>>> escaped = "%" HEXDIG HEXDIG
>>>>
>>>> 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 )
>>>>
>>>> Is a SIP URL which looks like:
>> <sip:[EMAIL PROTECTED]> allowed?
>>> The user rule doesn't allow a # character.
>> However, RFC 2806 defines
>>> telephone-subscriber, which references dtmf-digit,
>> which looks like
>>> dtmf-digit = "*" / "#" / "A" / "B" / "C" / "D"
>>>
>>> Thus, "003#xyz" is indeed a valid userinfo.
>> Not quite. RFC 3261 section 19.1.2 says:
>>
>> The telephone-subscriber subset of the user
>> component has special
>> escaping considerations. The set of characters
>> not reserved in the
>> RFC 2806 [9] description of telephone-subscriber
>> contains a number of
>> characters in various syntax elements that need
>> to be escaped when
>> used in SIP URIs. Any characters occurring in a
>> telephone-subscriber
>> that do not appear in an expansion of the BNF
>> for the user rule MUST
>> be escaped.
>>
>> So you will have to go with:
>> <sip:[EMAIL PROTECTED]>
>>
>> Paul
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>
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