Registered payload types for G.723.1/G.729

Hutton, Charles charles.hutton at ATTWS.COM
Wed Feb 23 16:11:54 EST 2000


I have the same concerns for G.729E.


Charles (Chuck) Hutton
Strategic Architecture Engineering
Wireless Local Technology Group
AT&T Wireless Services
PO Box 97059
Redmond, WA 98073 (USPS only)
9461 Willows Road
Redmond, WA 98052 (FEDEX/UPS)
425-702-2938 Voice
425-702-2518 FAX
charles.hutton at attws.com

> ----------
> From:         Frank Derks[SMTP:frank.derks at PHILIPS.COM]
> Reply To:     Mailing list for parties associated with ITU-T Study Group
> 16
> Sent:         Wednesday, February 23, 2000 8:46 AM
> To:   ITU-SG16 at mailbag.cps.intel.com
> Subject:      Re: Registered payload types for G.723.1/G.729
>
> <<File: FILE0001>>
> Tom,
>
> section 3 of RFC1890 indeed specifies how additional payload types have to
> be registered with the IANA.
> Table 2 in section 7 specifies the assigned (and unassigned) payload types
> at the time of publication of the
> RFC (presumably). This table is no longer in line with the table that can
> be found at the IANA Web site
> (http://www.isi.edu/in-notes/iana/assignments/rtp-parameters), however.
>
> Since G.729 is not present in either of these tables, it would seem that
> somebody will need to undertake
> the action to do so. Especially because H.225.0 _does_ specify a payload
> type for G.729 and I think it is
> desirable that the code that is being used is not assigned (inadvertently)
> to some other codec.
>
> Whose responsibility would it be to do so? ITU-SG16?
>
> -----------------------------------------------------
> Frank Derks                    |Tel  +31 35 6893238 |
> Advanced Development           |Fax  +31 35 6891030 |
> Philips Business Communications|P.O. Box 32         |
>                                |1200 JD  Hilversum  |
>                                |The Netherlands     |
> ----------------------------------------------------|
> E-mail: mailto:frank.derks at philips.com              |
> WWW: http://www.sopho.philips.com                   |
> -----------------------------------------------------
>
>
>
>
>
> taylor at NORTELNETWORKS.COM@SMTP at MAILBAG.INTEL.COM on 23/02/2000 17:24:37
> Please respond to ITU-SG16 at MAILBAG.INTEL.COM@SMTP
> Sent by:        ITU-SG16 at MAILBAG.INTEL.COM
> To:     ITU-SG16 at MAILBAG.INTEL.COM@SMTP
> cc:
> Subject:        Re: Registered payload types for G.723.1/G.729
> Classification: Restricted
> As I understand it (and I'd better be right, because I have to do similar
> things for H.248!) the stuff initially defined in the RFC that sets up the
> registration process (RFC 1890) does not go into the IANA database -- only
> subsequent registrations.
>
> > -----Original Message-----
> > From: Frank Derks [SMTP:frank.derks at PHILIPS.COM]
> > Sent: Tuesday, February 22, 2000 10:30 AM
> > To:   ITU-SG16 at MAILBAG.INTEL.COM
> > Subject:      Registered payload types for G.723.1/G.729
> >
> > H.225.0 specifies that the payload types for G.723.1 and G.729 are 4 and
> > 18 respectively.
> > When I take a look at the registered payload types at the IANA, these
> two
> > codecs are
> > not listed.
> >
> > Does this mean that the IANA list is not up-to-date or that these codecs
> > are not officially
> > registered.
> >
> > Frank
> >
> > -----------------------------------------------------
> > Frank Derks                    |Tel  +31 35 6893238 |
> > Advanced Development           |Fax  +31 35 6891030 |
> > Philips Business Communications|P.O. Box 32         |
> >                                |1200 JD  Hilversum  |
> >                                |The Netherlands     |
> > ----------------------------------------------------|
> > E-mail: mailto:frank.derks at philips.com              |
> > WWW: http://www.sopho.philips.com                   |
> > -----------------------------------------------------
>
>
>
>



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