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A New Application for Voice over IP - the Wireless PBX

Johannesburg, 20 Mar 1998

Imagine an application linking a traditional telephone through a PC to a wireless bridge interfaced into a standard PBX. This newest application for Voice over IP is to be demonstrated by Micom on Nortel`s CeBIT Stand B14, Hall 17. It is also being demonstrated based on an alternative PBX and LAN configuration at the Computer Telephony show in Los Angeles. The V/IP gateway can be integrated into any PBX, LAN or WAN solution. V/IP provides a gateway between the LAN and PBX environments, it can be interfaced to any existing digital or analogue PBX and the existing LAN network, which in turn will support any WAN link through the corporate router network - Lease line, Frame Relay or ATM" "We chose to demonstrate this solution because it is easy to set up and easy to transport between seminars, we are amazed by the level of interest it has generated." said Lesley Hansen, Director of International Marketing at Micom. "The principle is the same as in a traditional PBX and LAN environment - we create a voice overlay layer on the existing IP network. The networks in this application just happens to run over a wireless bridge - but it does show the flexibility of the V/IP product and the variety of applications for Voice over IP in the corporate today." The V/IP gateway solution being demonstrated consists of two V/IP gateways in standard PC`s each with a "virtual station line" - the connection between a telephone handset at the PC attached to the V/IP module. The solution uses the wireless LAN as a replacement for copper phone wire to the PBX. Use of the wireless LAN bridge to connect a remote workstation is already in regular use in the Nortel corporate Intranet, with Voice over IP connections across the Nortel Intranet between five major Nortel offices world-wide - Calgary, Ottawa, Carling, Maidenhead and Tongham. A typical application would be to provide voice and data services to previously unconnected areas of a site with no cabling changes. This is relevant where cables have not been pulled through, for example, or in old or cable-free protected buildings. Using radio transmission to overcome the physical limitations of the conventional cable based LAN is an accepted solution today, to natural next step in cost efficiency is to be able to create a wireless PBX and offer a more flexible voice and data traffic service. Corporates are constantly striving to create a flexible and cost efficient network environment, what Micom is demonstrating is the practical realization of the wireless office - PBX and LAN

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Editorial contacts

Debbie Stevens
MICOM Communications
+44 1252 302200
dstevens@micom.com