Lindows bundles OS with free calling

Lindows.com on Tuesday released a new version of its operating system meshed with Internet telephony technology created by company CEO Michael Robertson.

LindowsOS 4.5 comes with Session Initiation Protocol, or SIP, technology that allows PC users to call up others using the same technology. Customers will get a unique number to send and receive calls and use features such as four-way conferencing and 800-number access. Using this number and a virtual keypad, they can connect to the phone

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number of anyone with a SIPphone, videophone or SIP-enabled computer.

Internet calling, or voice over Internet Protocol, is growing in popularity. But until recently, the quality of service hadn't reached the point at which it could adequately replace ordinary calling. Standards such as SIP, which governs the initiation and routing of Internet calls, have improved service dramatically.

Lindows said the new version of its operating system is designed to allow remote desktop sharing and translation tools in six languages: English, Spanish, French, Italian, German and Portuguese. It allows access to Web search and e-commerce services from Amazon.com, Yahoo and eBay, as well as dial-up access with United Online.

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"Integrating search, SIP and translation tools demonstrates that Linux is taking a leadership role in innovation in the operating system business," Robertson said in a statement. "Our partnerships with leaders in the technology business who are incorporating services and software into LindowsOS demonstrate Linux's acceptance into mainstream desktop computing."

LindowsOS 4.5 has improved hardware support, preloaded games and Wi-Fi capabilities, among other features, the company said.

The software can be purchased from retailers. Current users of the operating system can download the new version from the company's Web site. The pricing starts at $49.95.