Article on H.323 Supplementary Services

Kaynam Hedayat Kaynam_Hedayat at PICTEL.COM
Wed Jul 21 19:51:53 EDT 1999

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


Pete Cordell
pete at

-----Original Message-----
From: Callaghan, Robert <Robert.Callaghan at ICN.SIEMENS.COM>
Date: 21 July 1999 18:58
Subject: FW: Internet Telephony

>This was posted on the IPTel mailing list.  (I wonder why SG16 was
>Robert Callaghan
>Siemens Business Communication Systems
>Tel: +1.561.997.3756    Fax: +1.561.997.3403
>Email:  Robert.Callaghan at
>-----Original Message-----
>From: Mohammed Atiquzzaman [mailto:atiq at]
>Sent: Wednesday, July 21, 1999 11:20 AM
>To: iptel at
>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:
>* Optimal use of bandwidth.
>* Capacity management.
>* Support of speech quality.
>* Flexible integration into voice environment (e.g., PBX).
>* Enterprise network ready (support LAN/WAN/Internet protocols for direct
>  attachment).
>* System-level scalability: must be easy to add PBX-side interfaces to
>  support growth in requirements and appropriate links.
>* Network-level scalability: must be able to support mapping of a
>  number of extensions (perhaps several thousands) to the respective IP
>  addresses of the destination gateway. A master database with distributed
>  upgrade may be desirable.
>IEEE COMMUNICATION MAGAZINE announces a forthcoming issue on "Internet
>Prospective authors should follow IEEE COMMUNICATION MAGAZINE guidelines
>submit an electronic (PDF file or a PostScript file viewable by Ghostview)
>copy of the manuscript to one of the Guest Editors listed below. Articles
>addressing both traditional and innovative products will be given
>Topics include, but are not limited to:
>* Voice over IP/ATM
>* IP over ATM/FR for Multimedia
>* Traffic Control for Multimedia/Internet Telephony
>* QoS Control of Voice over IP
>* Evolution of the VPN and PBX environment
>* Traffic Capacity Management and Routing Algorithms for Multimedia.
>Full manuscript submission deadline         July 31, 1999
>Notification of acceptance                  October 30, 1999
>Publication Schedule                        April 2000
>Mohsen Guizani              Ammar Rayes                   Mohammed
>Elec. & Comp. Engr.         Director, Solution Arch.      Elec. & Comp.
>Univ. of Missouri-Columbia  Traffic Capacity Manag.       300 College Park
>5605 Troost Avenue          & Planning                    University of
>Kansas City,                Bellcore, 444 Hoes Lane       Dayton,
>MO 64110-2823, USA.         Piscataway, NJ 08854, USA.    Ohio 45469-0226,
>Tel: (816) 235-1550         Tel: (732) 699-3669           Tel. (937) 229
>Fax: (816) 235-1260         arayes at  Fax. (937)
>guizanim at
>atiq at
>This message came from the IETF IPTEL Working Group Mailing List.

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