Subject: [Sipping] Re: Doubt in draft-ietf-simple-message-sessions-08

From: Ben Campbell <[email-masked]>
Date: Wed, 19 Jan 2005 07:20:30 -0600

The syntax allows port to be null.

That being said, the MSRP spec requires an explicit value for port 
whenever the MSRP URL is exchanged in the SDP. But the MSRP relay spec 
allows for a null port in certain narrow circumstances.

Hope this helps!

Ben.

On Jan 19, 2005, at 3:30 AM, [email-masked] wrote:

>
>
>
>
> Hi All,
>       As per the grammar of Msrp-Url,
> MSRP_urls = msrp-scheme "://" [userinfo "@"] hostport ["/"
>       resource] ";" transport
>
> and hostport as per RFC2396 is:
> hostport      = host [ ":" port ]
> port          = *digit
>
> The doubt is that ,can the port be NULL or it should have been
> port  =1 *digit
>
> Please clarify the doubt.
>
> Regds
> Anil N
> Hughes Software Systems
> Bangalore
> Ext:-7074
>
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