Re: [Ecrit] LoST Review

[Andrew Newton <andy at hxr.us>]

On Jan 31, 2007, at 11:06 AM, Patrik Fältström wrote:
> > > > > 5.2.  Time of Last Update: The 'lastUpdated' Attribute
> > > > >
> > > > >    The 'lastUpdated' attribute describes when the mapping was last
> > > > >    changed.  The contents of this attribute is a timezoned XML  
> > > > > type
> > > > >    dateTime, in canonical representation.  The attribute is  
> > > > > REQUIRED.
> > > >
> > > > Note that according to 3.2.7.2 of http://www.w3.org/TR/2001/REC-
> > > > xmlschema-2-20010502/#dateTime (maybe I am looking at the wrong
> > > > source) the canonical representation of a time is always in UTC, so
> > > > the timezoned canonical version will always have 'Z' as the  
> > > > timezone
> > > > indicator.
> > > >
> > > > This is what you want?
> >
> > I think so, though we could be a bit more explicit, huh?
>
> No no. I just wanted you to understand that the way *I* read your  
> spec, the dateTime will always be in UTC. Just so people do not  
> misunderstand what the paragraph in 5.2 say.
>
> I think using UTC is fine.

Then you read it correctly... or said more accurately, your  
interpretation is as we intended.  I still think we could be a heck  
of a lot more specific.

> > > > >    It contains a string of digits, * and # that a user on a
> > > > >    device with a 12-key dial pad could use to reach that  
> > > > > particular
> > > > >    service.
> > > >
> > > > Reference a syntax specification. Max 15 char in the string as  
> > > > in E.164?
> >
> > I don't believe emergency numbers such as 911 or 112 or E.164  
> > numbers.
>
> Correct, as countries (Sweden at least) have as a requirement for E. 
> 164 that it is possible to call an E.164 from any other E.164. They  
> are from the same "namespace" though...and because of that have  
> similar constraints. Maybe that is in the schema though?

From the schema:

      element ns1:serviceNumber {
        xsd:string { pattern = "[0-9*#]+" }
      }?,

We don't say anything about E.164.  And E.164 numbers cannot be  
dialed on a lot of phones.  How do you dial the beginning "+"  
character.  These are dialstrings that must be recognized by the UA.

-andy
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