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Technology Stocks : Voice-on-the-net (VON), VoIP, Internet (IP) Telephony -- Ignore unavailable to you. Want to Upgrade?

To: Stephen B. Temple who wrote (1764)	11/5/1998 8:20:00 AM
From: Stephen B. Temple	Respond to of 3178

KDD Comm To Cut Rates Of Internet Phone Calls To Asia November 5, 1998 Nikkei English TOKYO (Nikkei)-KDD Communications Inc. on Dec. 15 will lower the rates of its KCOM Super Economy Phone Internet international phone service by up to 40% in Asia. The wholly owned subsidiary of Kokusai Denshin Denwa Co. (9431) will also expand the toll-free region where domestic phone calls to the connection points can be made free of charge. Currently, only the Tokyo, Osaka and Nagoya regions are covered by the toll-free area. The rate cuts will lower the price of a phone call from Japan to China to 90 yen a minute from 150 ye#(S1KDD Comm To Cut Rates Of Internet Phone Calls To Asia TOKYO (Nikkei)-KDD Communications Inc. on Dec. 15 will lower the rates of its KCOM Super Economy Phone Internet international phone service by up to 40% in Asia. The wholly owned subsidiary of Kokusai P57shin Denwa Co. (9431) will also expand the toll-free region where domestic phone calls to the connection points can be made free of charge. Currently, only the Tokyo, Osaka and Nagoya regions are covered by the toll-free area. The rate cuts will lower the price of a phone call from Japan to China to 90 yen a minute from 150 yen at present.

To: Stephen B. Temple who wrote (1764)	11/5/1998 8:32:00 AM
From: Stephen B. Temple	Read Replies (6) \| Respond to of 3178

OT>> DWDM Drills Down Toward the Network Although Dense Wave Division Multiplexing (DWDM), which can significantly increase the capacity of fiber optic cable, may have gotten its start in the long distance carrier market, the technology is now filtering down to RBOCs, Local Exchange Carriers (LECs), MANs, and even individual data centers. In the RBOC arena, Lucent Technologies and Ciena (Linthicum, MD) are involved in a project with Bell Atlantic to beef up the carrier's network. Lucent will supply its WaveStar DWDM system, which enables end-to-end transport of 16 channels of information. Ciena will provide its MultiWave 4000, which the company says can support up to 40 channels on a single fiber. Bill Gartner, vice president of product development for the optical networking group at Lucent Technologies, says that although DWDM is economical at the long distance and RBOC levels, it is a harder sell at the MAN, or short-haul, level. In long distance applications, DWDM technology can often replace multiple repeaters with a single optical amplifier. In MAN applications that don't involve repeaters, technologies such as time division multiplexing may win the numbers game, Gartner says. On a more granular level, DWDM is being used by a disaster-recovery service provider. A joint venture of Swiss banks, Real Time Centre (RTC, Bern, Switzerland), is using Osicom Technologies' (Santa Monica, CA) GigaMux DWDM system to transmit data for offsite storage. Osicom's approach is based on DWDM rings over SONET. This is good news for customers of SONET-based services supplied by providers who aren't particularly interested in ripping up their entire infrastructure, points out Mark DiMaria, Osicom's director of product management and marketing. According to Osicom, the GigaMux can divide each of its 32 wavelengths into 16 subrate channels, which translates to 512 service channels running over a single fiber. Despite these market shifts, long distance carriers remain king in the DWDM sector. Ciena's loss of a contract with AT&T was cited as a major reason for the cancellation of a proposed acquisition of Ciena by Tellabs (Lisle, IL). But Ciena isn't sitting on the sidelines. The company is working with Sprint to upgrade the carrier's Internet backbone to OC-48 (2.48Gbits/sec). The plan involves directly interfacing Cisco's 12000 series Gigabit Switch Routers to Ciena's MultiWave 4000, with these interfaces retaining the 2.5Gbit/sec rate. This approach, says Denny Bilter, Ciena's director of marketing, enables direct delivery of the data, which eliminates the need for high-end digital switches and SONET equipment, thus considerably simplifying network infrastructure. —Elizabeth Clark