July 1999 - sg16-avd - lists.packetizer.com

Re: Article on H.323 Supplementary Services
by Roy, Radhika R, ALARC 23 Jul '99

23 Jul '99

Hi Everyone: If you are interested, you can also see the paper, "Distributed Gatekeeper Architecture for H.323-based Multimedia Telephony," (enclosed) accepted for publication in the IEEE LCN'99 conference. <<D_GK_word.doc>> Dear Author: Congratulations! We have been notified that your paper has been accepted for publication in the proceedings of the 24th Annual Conference on Local Computer Networks (LCN'99) to be held 17-20 October 1999 in Lowell, Massachusetts, USA. -----Original Message----- From: Kaynam Hedayat [SMTP:Kaynam_Hedayat@PICTEL.COM] Sent: Wednesday, July 21, 1999 7:52 PM To: ITU-SG16(a)MAILBAG.INTEL.COM Subject: Article on H.323 Supplementary Services Hello everyone, I would like to bring your attention to a very good article by Vineet Kumar and Markku Korpi on H.323 Supplementary Services. The article appears in the July issue of the IEEE Communications Magazine with the title "Supplementary Services in the H.323 IP Telephony Network". Regards, Kaynam Hedayat -----Original Message----- From: Pete Cordell [SMTP:pete@TECH-KNOW-WARE.COM] Sent: Wednesday, July 21, 1999 3:37 PM To: ITU-SG16(a)MAILBAG.INTEL.COM Subject: Re: FW: Internet Telephony FYI The May/June issue of IEEE Network was also a special issue on Internet Telephony. Prof Schulzrinne was guest editor which I found quite interesting! Pete ============================================= Pete Cordell pete(a)tech-know-ware.com ============================================= -----Original Message----- From: Callaghan, Robert <Robert.Callaghan(a)ICN.SIEMENS.COM> To: ITU-SG16(a)MAILBAG.INTEL.COM <ITU-SG16(a)MAILBAG.INTEL.COM> Date: 21 July 1999 18:58 Subject: FW: Internet Telephony >This was posted on the IPTel mailing list. (I wonder why SG16 was >overlooked?) > >Bob > >------------------------------------------------------------------ >Robert Callaghan >Siemens Business Communication Systems >Tel: +1.561.997.3756 Fax: +1.561.997.3403 >Email: Robert.Callaghan(a)ICN.Siemens.com >------------------------------------------------------------------ > > >-----Original Message----- >From: Mohammed Atiquzzaman [mailto:atiq@engr.udayton.edu] >Sent: Wednesday, July 21, 1999 11:20 AM >To: iptel(a)lists.research.bell-labs.com >Subject: CFP: Internet Telephony > > > Call for Papers > Special Issue of IEEE COMMUNICATION MAGAZINE on > > Internet Telephony > >Due to the potential economic advantages, the integration of several media >is desirable and very attractive. Today, however, voice over IP remains >somewhat of a technical novelty, hindred by a number of existing problems >to provide an assured voice quality. The likely prognosis is that over the >next year or two, the advent of Resource Reservation Protocol (RSVP) and >increased enterprise network bandwidth (achieved with ATM WAN services) >could give a boost to voice over IP. This special issue is to bring >experts in the field to share with IEEE COMMUNICATION MAGAZINE readers the >current problems, components, and experiments in "Internet Telephony". >Desirable features of a voice-over-IP system include:

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Current list of registered contributions - Correction -
by Noriko Hosokawa 23 Jul '99

23 Jul '99

Dear Q.12-14/16 experts, Attached please find the list of registered contributions as of 15:30 (Tokyo time) Friday 23 July. If you have requested an APC number for your contribution but is not yet listed, please advise me. Best regards, Sakae OKUBO (Mr.) *********************************************************** Waseda Research Center Telecommunications Advancement Organization of Japan (TAO) 5th Floor, Nishi-Waseda Bldg. 1-21-1 Nishi-Waseda, Shinjuku-ku, Tokyo 169-0051 Japan Tel: +81 3 5286 3830 Fax: +81 3 5287 7287 e-mail: okubo(a)giti.or.jp ******************************************************** Documents for Q.12-14/16 Rapporteur meeting in Berlin (2-6 August 1999) ------------------------------------------------------------------------ APC- Source Title ------------------------------------------------------------------------ 1555 ITU-T SG8 Recommendation T.38 Indications in Recommendation H.245 (TD1/WP2 of the SG16 Santiago meeting) 1556 ITU-T SG11 Support of IN services for H.323 and other IP Network based terminals (TD4/WP2 of the SG16 Santiago meeting) 1557 ITU-T SG9 Draft New Rec. J.Web "Distribution of Sound and Television Programmes over the Internet "Webcasting"" (TD22/WP2 of the SG16 Santiago meeting) 1558 ITU-T SG2 Routing of Multimedia Connections When Interworking with PSTN, ATM, and IP Networks (TD24/GEN of the SG16 Santiago meeting) 1559 SG16 WP2 Proposed Organisation going forward to new Study Period 1560 Editor (E Martinez) Annex-H (User and Service Mobility in H.323) Proposed Architecture 1561 Editor (G Hellstrom) H.323 Annex G Text Conversation and Text SET 1562 L M Ericsson H.gcp Modification proposals for Text Conversation 1563 Editor Draft H.323 Annex J: Security for H.323 Annex F 1564 L M Ericsson H.224 Modified for text conversation 1565 DataBeam Corporation Usage of Expanded T.35 Country Codes in Recommendations H.225.0,H.245, and H.283 1566 Editor H.243 Draft revised ITU-T Recommendation H.243 (white doc.) 1567 L M Ericsson Generic Service ControlTransport 1568 Lucent and H.245 Generic Capabilities Definition and AT&T H.225 Packetization Specification for the North American Cellular/PCS TDMA Vocoders (ACELP and US1) 1569 BT and Tech- Editorial Clarifications to H.323 and the Know-Ware Implementer's Guide 1570 BT and Tech- Clarifications on Third-Party Pause Know-Ware 1571 Rapporteur for Q.12/16 (S Okubo) Status of Draft Amendment 7 to H.222.0|ISO/IEC 13818-1 -- Carriage of ISO/IEC 14496 (MPEG-4) content over H.222.0|ISO/IEC 13818-1 (MPEG-2) System streams 1572 Editor (K Sakai) Draft Implementor's Guide for H.321 V2 1573 Editor (S Okubo) Draft Implementor's Guide for H.310 V2 1574 SG16 Correspondence Representative to DAVIC (S Okubo) DAVIC work on TV Anytime and TV Anywhere systems 1575 Rapporteur for Q.19/16 (S Hayashi) H.245 Capability Definition and H.225.0 Packetization Specification for G.729 1576 Japan Guideline for assigning the T.35 terminal provider codes in Japan 1577 Oki et al Proposed modifications to resolve the inconsistent ASN.1 syntaxes between T.38 Annex B and H.245 1578 Oki et al Proposed additional liasion to SG8 on T.38 Appnedix II 1579 Hitachi, Ltd. Prototype system of H.262 layered video transmission 1580 Nortel Networks Media Gateway control protocol architecture and requirements 1581 Lucent Technologies and Nortel Networks H.323 v3 and H.225 v3 Support for Improved Alias Registrations 1582 Lucent Technologies H.323 v3 and H.225 v3 Endpoint Registration Clarifications 1583 Siemens AG Error in Coding Bearer Capabilities 1584 Siemens AG Inter-Zone Addressing 1585 Siemens AG Correction of Alias Conflict in H.225.0v3 1586 Siemens AG Identification of Gateway Protocol 1587 Siemens AG Null AliasAddress 1588 SIEMENS Restricted Numbers/Aliases in Supplementary Service APDUs 1589 SIEMENS Work on Supplementary Service Interworking started 1590 SIEMENS Draft H.450.9 "Call Completion Supplementary Services for H.323 1591 AT&T and VocalTec Functional Requirements and Service Classes to Support QOS in H.323 1592 Lucent Technologies Q.SIG Transport in H.323 Systems 1593 PictureTel and Nortel Networks Backward compatibility and clarification text in H.323 Annex C 1594 PictureTel Problem with XRS (Message Not Understood) RAS message 1595 PictureTel Additional information in ARQ for Gateway calls 1596 PictureTel H.245 support for G.722.1 1597 Siemens Feature key management extensions for H.323 SET terminals 1598 VocalTec Adopting a Pragmatic Approach to IPT-IN InterWorking 1599 VocalTec Clarifications to the fast connect procedure 1600 VocalTec Comments on Transporting DTMF in H.323 1601 VocalTec Changes to H.323 to support operation via basic NAT devices 1602 VocalTec et al IN-IPT interworking - feecback from the SG11 Rapporteur meeting 1603 VocalTec Scope definition of Annex D to H.246 1604 VocalTec Changes to H.248 to assure H.323 GW interoperability 1605 Intel Corporation Proposed Terms of Reference for H.323 Mobility 1606 Cisco Systems Proposal for Transporting User Input via RTP 1607 Cisco Systems Proposal for Enforcing Symmetric Codec Operation with Fast Connect 1608 Tech-Know-Ware and Lucent H.GCP/Megaco Structured Message Encoding Using an ASCII Line Format 1609 Lucent Technologies Support for Q.931 TNS and NSF IEs in H.225.0 1610 Q.14 Rapporteur Changes to H.248 Proposed by IETF Megaco 1611 RAD Data Communications LTD Proposals for the next version of H.341 MIB 1612 Lucent Proposing structured media and bearers for H.248, 1613 Lucent Proposal for PUT and DELETE commands in H.248, 1614 Lucent Scripting framework for H.248, 1615 Lucent H.242 package for support of decomposed H.323-to-H.320 gateways in H.248 1616 LM Ericsson H.GCP and encoding in networks 1617 LM Ericsson Signalling Transport for H.GCP 1618 LM Ericsson Handling of Optional H.GCP commands 1619 LM Ericsson Notification Indicators in H.323 1620 LM Ericsson Signalling Transport in H.323 1621 LM Ericsson Draft H.246 Annex C 1622 Lucent Technologies Expression of Gateway Call Capacity 1623 Lucent Technologies Need for the Q.931 Disconnect and Release Messages in H.225.0 1624 TAO Some considerations on the new Annex to H.323 for high quality audiovisual communications 1625 Oki Electric Indsutry Editorial errors in H.450.5 and H.450.7 1626 IETF Megaco Working Group Tunneling of Q.SIG information in H.225.0 1627 IETF Megaco Working Group R2 Package for MEGACO Protocol 1628 IETF Megaco Working Group Megaco IP Phone Media Gateway 1629 IETF Megaco Working Group Basic Packages For Megaco/H.248 ----------------------------------------------------------------------------

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Current list of registered contributions
by Noriko Hosokawa 23 Jul '99

23 Jul '99

Dear Q.12-14/16 experts, Attached please find the list of registered contributions as of 15:00 (Tokyo time) Friday 23 July. If you have requested an APC number for your contribution but is not yet listed, please advise me. Best regards, Sakae OKUBO (Mr.) *********************************************************** Waseda Research Center Telecommunications Advancement Organization of Japan (TAO) 5th Floor, Nishi-Waseda Bldg. 1-21-1 Nishi-Waseda, Shinjuku-ku, Tokyo 169-0051 Japan Tel: +81 3 5286 3830 Fax: +81 3 5287 7287 e-mail: okubo(a)giti.or.jp ******************************************************** Documents for Q.12-14/16 Rapporteur meeting in Berlin (2-6 August 1999) ------------------------------------------------------------------------ APC- Source Title ------------------------------------------------------------------------ 1555 ITU-T SG8 Recommendation T.38 Indications in Recommendation H.245 (TD1/WP2 of the SG16 Santiago meeting) 1556 ITU-T SG11 Support of IN services for H.323 and other IP Network based terminals (TD4/WP2 of the SG16 Santiago meeting) 1557 ITU-T SG9 Draft New Rec. J.Web "Distribution of Sound and Television Programmes over the Internet "Webcasting"" (TD22/WP2 of the SG16 Santiago meeting) 1558 ITU-T SG2 Routing of Multimedia Connections When Interworking with PSTN, ATM, and IP Networks (TD24/GEN of the SG16 Santiago meeting) 1559 SG16 WP2 Proposed Organisation going forward to new Study Period 1560 Editor (E Martinez) Annex-H (User and Service Mobility in H.323) Proposed Architecture 1561 Editor (G Hellstrom) H.323 Annex G Text Conversation and Text SET 1562 L M Ericsson H.gcp Modification proposals for Text Conversation 1563 Editor Draft H.323 Annex J: Security for H.323 Annex F 1564 L M Ericsson H.224 Modified for text conversation 1565 DataBeam Corporation Usage of Expanded T.35 Country Codes in Recommendations H.225.0,H.245, and H.283 1566 Editor H.243 Draft revised ITU-T Recommendation H.243 (white doc.) 1567 L M Ericsson Generic Service ControlTransport 1568 Lucent and H.245 Generic Capabilities Definition and AT&T H.225 Packetization Specification for the North American Cellular/PCS TDMA Vocoders (ACELP and US1) 1569 BT and Tech- Editorial Clarifications to H.323 and the Know-Ware Implementer's Guide 1570 BT and Tech- Clarifications on Third-Party Pause Know-Ware 1571 Rapporteur for Q.12/16 (S Okubo) Status of Draft Amendment 7 to H.222.0|ISO/IEC 13818-1 -- Carriage of ISO/IEC 14496 (MPEG-4) content over H.222.0|ISO/IEC 13818-1 (MPEG-2) System streams 1572 Editor (K Sakai) Draft Implementor's Guide for H.321 V2 1573 Editor (S Okubo) Draft Implementor's Guide for H.310 V2 1574 SG16 Correspondence Representative to DAVIC (S Okubo) DAVIC work on TV Anytime and TV Anywhere systems 1575 Rapporteur for Q.19/16 (S Hayashi) H.245 Generic Capability Definition and H.225.0 Packetization Specification for G.729 1576 Japan Guideline for assigning the T.35 terminal provider codes in Japan 1577 Oki et al Proposed modifications to resolve the inconsistent ASN.1 syntaxes between T.38 Annex B and H.245 1578 Oki et al Proposed additional liasion to SG8 on T.38 Appnedix II 1579 Hitachi, Ltd. Prototype system of H.262 layered video transmission 1580 Nortel Networks Media Gateway control protocol architecture and requirements 1581 Lucent Technologies and Nortel Networks H.323 v3 and H.225 v3 Support for Improved Alias Registrations 1582 Lucent Technologies H.323 v3 and H.225 v3 Endpoint Registration Clarifications 1583 Siemens AG Error in Coding Bearer Capabilities 1584 Siemens AG Inter-Zone Addressing 1585 Siemens AG Correction of Alias Conflict in H.225.0v3 1586 Siemens AG Identification of Gateway Protocol 1587 Siemens AG Null AliasAddress 1588 SIEMENS Restricted Numbers/Aliases in Supplementary Service APDUs 1589 SIEMENS Work on Supplementary Service Interworking started 1590 SIEMENS Draft H.450.9 "Call Completion Supplementary Services for H.323 1591 AT&T and VocalTec Functional Requirements and Service Classes to Support QOS in H.323 1592 Lucent Technologies Q.SIG Transport in H.323 Systems 1593 PictureTel and Nortel Networks Backward compatibility and clarification text in H.323 Annex C 1594 PictureTel Problem with XRS (Message Not Understood) RAS message 1595 PictureTel Additional information in ARQ for Gateway calls 1596 PictureTel H.245 support for G.722.1 1597 Siemens Feature key management extensions for H.323 SET terminals 1598 VocalTec Adopting a Pragmatic Approach to IPT-IN InterWorking 1599 VocalTec Clarifications to the fast connect procedure 1600 VocalTec Comments on Transporting DTMF in H.323 1601 VocalTec Changes to H.323 to support operation via basic NAT devices 1602 VocalTec et al IN-IPT interworking - feecback from the SG11 Rapporteur meeting 1603 VocalTec Scope definition of Annex D to H.246 1604 VocalTec Changes to H.248 to assure H.323 GW interoperability 1605 Intel Corporation Proposed Terms of Reference for H.323 Mobility 1606 Cisco Systems Proposal for Transporting User Input via RTP 1607 Cisco Systems Proposal for Enforcing Symmetric Codec Operation with Fast Connect 1608 Tech-Know-Ware and Lucent H.GCP/Megaco Structured Message Encoding Using an ASCII Line Format 1609 Lucent Technologies Support for Q.931 TNS and NSF IEs in H.225.0 1610 Q.14 Rapporteur Changes to H.248 Proposed by IETF Megaco 1611 RAD Data Communications LTD Proposals for the next version of H.341 MIB 1612 Lucent Proposing structured media and bearers for H.248, 1613 Lucent Proposal for PUT and DELETE commands in H.248, 1614 Lucent Scripting framework for H.248, 1615 Lucent H.242 package for support of decomposed H.323-to-H.320 gateways in H.248 1616 LM Ericsson H.GCP and encoding in networks 1617 LM Ericsson Signalling Transport for H.GCP 1618 LM Ericsson Handling of Optional H.GCP commands 1619 LM Ericsson Notification Indicators in H.323 1620 LM Ericsson Signalling Transport in H.323 1621 LM Ericsson Draft H.246 Annex C 1622 Lucent Technologies Expression of Gateway Call Capacity 1623 Lucent Technologies Need for the Q.931 Disconnect and Release Messages in H.225.0 1624 TAO Some considerations on the new Annex to H.323 for high quality audiovisual communications 1625 Oki Electric Indsutry Editorial errors in H.450.5 and H.450.7 1626 Nortel Networks Tunneling of Q.SIG information in H.225.0 1627 Nortel Networks R2 Package for MEGACO Protocol 1628 Nortel Networks Megaco IP Phone Media Gateway 1629 Nortel Networks Basic Packages For Megaco/H.248 ----------------------------------------------------------------------------

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regarding SRV records in H.323
by Jerry Scharf 22 Jul '99

22 Jul '99

I am not sure how I never noticed this before, but there is a discussion of SRV records in H.323 that seems to be based on a misunderstanding of the SRV RFC. Also, there was a mistake in the original Experimental RFC that is being fixed in the new internet draft that is just about to become a proposed standard. In brief, the thing that you should query for would be something like _ITUh323ras._udp.x.foo.com or _ITUq931._tcp.x.foo.com (or _udp for Annex E.) The idea is that there are many protocols that can have SRV records at the same place (eg. x.foo.com) in the DNS namespace, so they are further qualified by a protocol hierarchy. The "_ITUh323ras" part will need to be decided and documented, so this does appear to need to go in the spec somewhere. Understand that I am not proposing that _ITUh323ras be the protocol label used for this, just using it as an example of what is needed. I am not a member of ITU, but would be happy to work with others who are to get this piece fixed. I am not sure that this can be/needs to be fixed for V3. For those interested in reading the current draft going towards PS, see draft-ietf-dnsind-rfc2052bis-02.txt. SRV aware nameservers and resolvers are starting to appear now. In particular the latest release of BIND now has SRV support and the Microsoft windows2k nameserver has SRV support and tools using it. ITU support of SRV record usage will help push the draft along the IETF standardization track. jerry

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I'm out of the office (auto reply)
by Francois-Xavier Kowalski 22 Jul '99

22 Jul '99

Hello, I am not in the office right now to respond to your mail. I will reply to you (if necessary) upon my return. * For buisness cases, please contact Laurent VALLUY - Hewlett-Packard Telecom Infrastructure Division phone: +33 (0) 4 76 14 58 78 net: LAURENT_VALLUY(a)grenoble.hp.com, LAURENT_VALLUY(a)HP-France-om8.om.hp.com * For technical issues, please contact Pierre LEBRET - Hewlett-Packard Telecom Infrastructure Division hp internal: 779 5721 phone: +33 (0) 4 76 14 57 21 net: Pierre_Lebret(a)grenoble.hp.com, plebret(a)hptnos05.grenoble.hp.com Thank you. -- Francois-Xavier KOWALSKI -- tel:+33.4.76.14.63.27 fax:+33.4.76.14.16.86 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mailto:fxk@hptnodur.grenoble.hp.com -- B1N2D1 Telecom Engineer/HUGO Project/Project Center/TID/HP Grenoble

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Re: [Fwd: Draft of Megaco Protocol Document MegacoHGCPJuly20]
by Nancy-M Greene 22 Jul '99

22 Jul '99

Thanks John, I meant to post the msg to the SG16 mailing list as well, but didn't. Thanks for doing it. This will be uploaded as a SG16 contribution to the Berlin meeting on Monday, possibly with a few changes. Any comments between now and Monday (July 26th) are welcome on the IETF megaco mailing list (megaco(a)standards.nortelnetworks.com), and then of course any comments between Monday and the Berlin meeting are also welcome. Nancy > ---------- > From: John Segers[SMTP:jsegers@LUCENT.COM] > Sent: Thursday, July 22, 1999 9:26 AM > To: ITU-SG16(a)MAILBAG.INTEL.COM > Subject: [Fwd: Draft of Megaco Protocol Document MegacoHGCPJuly20] > > <<Message: Draft of Megaco Protocol Docum...>> > All, > > On the MEGACO list it was announced that there is a new version of the > jointly edited MEGACO/H.248 draft. The attachment tells you where to > find it. > > John Segers > -- > John Segers email: jsegers(a)lucent.com > Lucent Technologies Room HE 306 > Dept. Forward Looking Work phone: +31 35 687 4724 > P.O. Box 18, 1270 AA Huizen fax: +31 35 687 5954 >

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new documents
by Mickey Nasiri (ETX) 22 Jul '99

22 Jul '99

Dear colleagues, I have uploaded following documents to ftp://standard.pictel.com/avc-site/Incoming/ Apc-1561, Apc-1562, Apc-1564 Uploading document Apc-1562 (attached to this email) failed. <<APC-1562.ZIP>> Best regards //Mickey -- //Mickey Nasiri Ericsson Telecom AB Home Communications SE-126 25 STOCKHOLM Tel: +46-8-719 38 61 Mob: +46-70-319 38 61 email: mickey.nasiri(a)ericsson.com

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[Fwd: Draft of Megaco Protocol Document MegacoHGCPJuly20]
by John Segers 22 Jul '99

22 Jul '99

All, On the MEGACO list it was announced that there is a new version of the jointly edited MEGACO/H.248 draft. The attachment tells you where to find it. John Segers -- John Segers email: jsegers(a)lucent.com Lucent Technologies Room HE 306 Dept. Forward Looking Work phone: +31 35 687 4724 P.O. Box 18, 1270 AA Huizen fax: +31 35 687 5954

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Re: Contribution number request
by Pete Cordell 22 Jul '99

22 Jul '99

Dear Mr Okubo, I have uploaded APC-1608.doc to the Pictel incoming directory. Please note that as a result of some comments I have revised the title to: "H.GCP/Megaco Structured Message Encoding using a Text Line Format" I hope this does not cause too much inconvenience. Regards, Pete ============================================= Pete Cordell pete(a)tech-know-ware.com ============================================= -----Original Message----- From: Sakae OKUBO <okubo(a)giti.or.jp> To: Noriko Hosokawa <nonko(a)giti.or.jp> Cc: pete(a)tech-know-ware.com <pete(a)tech-know-ware.com> Date: 22 July 1999 03:34 Subject: Fwd: Contribution number request >Dear Noriko, > >Please allocate APC-1608 to this contribution. > >Thanks, > >Sakae OKUBO > >> From: "Pete Cordell" <pete(a)tech-know-ware.com> >> To: "OKUBO" <okubo(a)GITI.OR.JP> >> Subject: Contribution number request >> Date: Wed, 21 Jul 1999 21:01:16 +0100 >> MIME-Version: 1.0 >> X-Priority: 3 >> >> Dear Mr. Okubo, >> >> Please can you provide me with an APC number for the following contribution: >> >> "H.GCP/Megaco Structured Message Encoding Using an ASCII Line Format" >> >> The source is Tech-Know-Ware and Lucent. >> >> Many thanks, >> >> Pete >> >> ============================================= >> Pete Cordell >> pete(a)tech-know-ware.com >> ============================================= >> >

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Approval of holding the Berlin meeting
by Sakae OKUBO 22 Jul '99

22 Jul '99

Dear Q.12-14/16 experts, This is a little bit belatedly to inform you that at the end of last week we got the final approval of SG16 management to hold the Q.12-14/16 Berlin meeting. Best regards, Sakae OKUBO (Mr.) *********************************************************** Waseda Research Center Telecommunications Advancement Organization of Japan (TAO) 5th Floor, Nishi-Waseda Bldg. 1-21-1 Nishi-Waseda, Shinjuku-ku, Tokyo 169-0051 Japan Tel: +81 3 5286 3830 Fax: +81 3 5287 7287 e-mail: okubo(a)giti.or.jp ***********************************************************

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