Iñaki Baz Castillo wrote:
> El Viernes, 24 de Octubre de 2008, [EMAIL PROTECTED] escribió:
>>         sip:[EMAIL PROTECTED]:5060
>>         sip:[EMAIL PROTECTED]:15060
>>         sip:[EMAIL PROTECTED]:25060
>>         sip:[EMAIL PROTECTED]:35060
>>
>> In that case, the request-URI of the REGISTER needs to contain the
>> proper port number.
> 
> Well, not totally needed. A UA could construct a REGISTER like this:
> 
>   REGISTER sip:[EMAIL PROTECTED] SIP/2.0
> 
> and sent it to host:15060.
> 
> For example Twinkle does it if you set the registrar in a port different than 
> 5060.

So, is it definitively needed or not?

If the transport-layer destination port of the request is non-canonical, 
should the port appear in the RURI?


-- 
Alex Balashov
Evariste Systems
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