Voice-on-the-net (VON), VoIP, Internet (IP) Telephony Message Board

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Technology Stocks : Voice-on-the-net (VON), VoIP, Internet (IP) Telephony

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To: Stephen B. Temple who wrote (1418)	10/1/1998 9:41:00 AM
From: Stephen B. Temple	Read Replies (2) of 3178

OT>Rhythms squeezes more voice onto DSL lines By Tim Greene Network World Fusion, 10/1/98 Englewood, Colo. - Rhythms NetConnections is introducing a new service that extends the power of the corporate PBX to remote and home offices while delivering a high-bandwidth data connection over the same phone line. The service, called PBXpress, is based on digital subscriber line (DSL) technology that adds a broadband data pipe to a regular phone line. The regular voice channel is adapted to act as a PBX extension supporting functions that include call forwarding, call waiting, voice mail and four-digit dialing. The DSL data stream can be used simultaneously to connect the remote user to the corporate data network or the Internet, Rhythms said at ComNet San Francisco. Similar PBX extension is possible over dialup ISDN lines, but ISDN bandwidth tops out at 128K bit/sec and in many places ISDN is billed by usage. Heavy ISDN users can run up monthly bills of $300 or more. By contrast, DSL can support up to 8M bit/sec downloads and is generally billed at a flat monthly rate. The drawback of DSL is that it is unavailable in most locations. Rhythms currently offers service only in California, although it has plans to expand nationwide. Rhythms says PBXpress can be supported by Lucent PBXs today, and interoperability with Nortel PBXs is scheduled for Nov. 1. The service can be set up with little or no programming changes or hardware changes to the PBXs, Rhythms says.

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