Re: Comments on RFC2806bis

Henning Schulzrinne wrote:

> >
> > Question regarding naming of the "other" parameters:    Is the "m-" a prefix that
> > can be added to any extension parameter, or must an extension parameter be defined
> > and registered with an "m-" prefix from the start ?
>
> My intent was to register it with the m- prefix from the start. I think
> it would complicate parsers if they had to worry about the same
> parameter having two names. Can you envision that the same parameter
> sometimes will be required, sometimes be optional? To me, that type of
> parameter probably assumes too much about knowing the receiver.
>

You can probably argue both ways on that, but I don't feel strongly about it. It leads
to the next question though, which is really for James: Will the yu-tel-url parameters
be prefixed with "m-" ?

Thanks

        Flemming