Draft Status Update
Paul E. Jones
paulej at PACKETIZER.COM
Wed Nov 29 14:33:06 EST 2000
Bob,
I was not suggesting that we use the h323-ID field any differently-- it was
the "h323" field inside the supportedProtocols choice. It is used to
indicate a gateway that gateways to H.323 devices. However, it could serve
just as well to say it gateways to any IP telephony protocol. That's why I
suggested we call it "ipgw".
Whether we do that or add a "sip" field makes no difference to me, but the
latter option may take 2 years.
Paul
----- Original Message -----
From: "Callaghan, Robert" <Robert.Callaghan at icn.siemens.com>
To: "'Paul E. Jones'" <paulej at PACKETIZER.COM>;
<ITU-SG16 at mailbag.cps.intel.com>
Sent: Wednesday, November 29, 2000 4:18 AM
Subject: RE: Draft Status Update
> Paul,
>
> I thought that the object of the IWF is to make the mixing of H.323
> terminals and SIP terminals transparent.
>
> However, I could see supporting SIP: URLs in the H.323 URL field along
with
> the H.323 URL. This would be possible under the URL rules for H.323v4. I
> would also expect SIP terminals to support the H.323 URL.
>
> The does not solve the problem of true E.164 Ids or the TEL: URL. A true
> E.164 Id does not allow for a service prefix. In that this is the normal
Id
> for voice calls, it must have a solution. An added problem is "Number
> Portability" which tends to kill number grouping.
>
> I do not accept the concept of hidden usages of any field. Therefor I do
> not support the use of the H.323ID field having a special format that
> indicates a SIP connection. The H.323ID field should remain a free format
> string.
>
> As it was stated, the gateway identifieds as having H.323 protocol is used
> by firewalls doing H.323-H.323. Also voice indicates any gateway support
> voice only connections. These should be mis-used. Adding a new protocol
> type for a gateway would have to wait.
>
> Bob
>
> -----Original Message-----
> From: Paul E. Jones [mailto:paulej at PACKETIZER.COM]
> Sent: Tuesday, November 28, 2000 12:08 AM
> To: ITU-SG16 at mailbag.cps.intel.com
> Subject: Re: Draft Status Update
>
>
> Charles,
>
> I have discussed that idea with people before.
>
> I'm certainly open to the idea of adding a "sip" codepoint. However,
since
> H.323v4 was just approved, we'd have to wait for 2 years to get it in
there.
> We might be able to persuade folks to use the "h323" field for IP GWs and
> document that in the H.323 Implementers Guide-- perhaps even changing the
> name in v5 to "ipgw".
>
> Paul
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