FW: [VoIP-list] FW: [Fwd: AVT WG last call on RTP spec and pr ofil e]

Francois Audet audet at nortelnetworks.com
Tue Mar 13 19:02:36 EST 2001


This payload type = 4 for G.723.1 has been in H.225.0 for many years.

Don't we have many interoperable H.323 products using PT=4 for G.723?

Won't it be a major interoperability problem if this payload type is removed
from the A/V specification?????

 > -----Original Message-----
> From: Simao Campos-Neto [ mailto:simao.campos at LABS.COMSAT.COM
<mailto:simao.campos at LABS.COMSAT.COM>
> < mailto:simao.campos at LABS.COMSAT.COM
<mailto:simao.campos at LABS.COMSAT.COM> > ]
> Sent: Friday, March 09, 2001 8:27 AM
> Subject: [Fwd: AVT WG last call on RTP spec and profile]
> Dear colleagues,
> please see in the attached that audio payload formats for G.723.1,
> called there "G723", has been removed from the latest RTP A/V profile
> because of the lack on information that interoperable implementations of
> them exist. Other audio payload formats have also been removed, e.g.
> H263 (this is not the same as H263-2000), GSM-HR, GSM-EFR, If you know
> of such implementations, there is still some VERY short time (less than
> 2 weeks) before the IETF issues the repeat WG last call. Please provide
> any such information directly to Stephen Casner <casner at acm.org>.
> Best regards,
> Simao.
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