Hi, Everyone: Going forward, I would also request to keep our eyes open how we can integrate this work (H.246 Annex C defines interworking between ISUP and H.323) with that of the H.323 multimedia intelligent network (M-IN) as envisioned in AT&T's contributions: "APC-1664/1665: H.323 User, Service, and Service Provider Mobility Framework for Multimedia Intelligent Network." Best regards, Radhika R. Roy AT&T + 1 732 420 1580

-----Original Message----- From: Boaz Michaely [SMTP:Boaz_Michaely@VOCALTEC.COM] Sent: Wednesday, October 27, 1999 7:44 AM To: ITU-SG16@MAILBAG.INTEL.COM Subject: Re (2): IN-IPT interworking issue

Dear Mr. Hwang,

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(1) What does the interfaces 1, 2, 3 4 mean ? Those are different with that of Q.5/SG11(WP4).

The diagram shown is only what was proposed to SG11. I chose to leave it for its overall value, since I have not made a better one yet .. However, these are NOT the official interfaces. For the actual interfaces defined, please refer to SG11 baseline doc. you may find the version which was sent as a liasion to SG11 on my WEB site: http://people.itu.int/~michaely/docs/APC-1602.zip

...

(2) What does the H.246C and D and the arrow to D mean ? (In my understanding, H.246 only related with SSF or CCF..) H.246 Annex C defines interworking between ISUP and H.323 call signalling (H.225.0) H.246 Annex D is the one that should deal with interworking on the service control level. The arrow in the diagram depicts that initially, information is only expected to come from the SCP to the GK. You may want to take a look at the Annex D terms of reference: http://people.itu.int/~michaely/docs/TD-46.doc

...

(3) Which question and recommendatio number for standardising about the H.323 service control ? This is studied as part of Q13/16 and Q14/16. SG16 has recently defined a new annex for H.323 service control using HTTP (H.323 Annex K). This is currently the only effort in this area. You can find the draft which was presented last week in ftp://standard.pictel.com/avc-site/9910_Red/APC-1696.zip

Regards, Boaz

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