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Tyan has ISDN software modem

Tyan Computer, a leading developer of system boards and add-in cards, announces a product that combines a "soft" modem and an ISDN board.

Tyan Computer, a leading developer of system boards and add-in cards, has announced a product that combines a "soft" modem and an ISDN board.

The Tyan Netscaliber board integrates both a 33.6-kbps modem and a 128-kbps ISDN modem. It is designed for users who want both technologies and for those who need a high-speed dial-up modem now but plan to move to ISDN later, the company said.

The ISDN and dial-up modes can either run independently or in combination, which gives the user the capability of accessing both analog and digital sites simultaneously, Tyan said.

Netscaliber also supports the AT command set, unlike some other ISDN products. Support for AT commands ensures compatibility with popular communications programs, such as Procomm for Windows and PC Anywhere, the company said.

Tyan also reduces cost by implementing a software modem. Tyan's soft modem technology uses the host processor, such as an Intel Pentium, for executing modem functions, thereby eliminating the cost of a dedicated modem processor.

The estimated street price of Netscaliber will be about $175. Netscaliber will also be priced at under $140 in quantities for original equipment makers.