Michael Robertson launches new company to offer free worldwide phone calls

San Diego - August 6, 2003 -

SIPphone Makes Free Phone Calls Possible With Worlds First Affordable, Easy To Use SIP Phone

SIPphone, Inc., (www.SIPphone.com) announces the immediate availability of free, worldwide phone calls using the world's first affordable plug-n-play Internet phone. SIPphone is now selling a low cost SIP-based phone which plugs into a broadband Internet connection and can send and receive voice calls to any other SIP phone. SIP phone users can dial friends and co-workers locally or located around the globe with no per-minute charges or monthly fees.

For the first time, SIP phones are simple to use and operate similarly to a traditional telephone. Simply plug the SIP phone into a broadband Internet connection and AC power source, then dial any SIP number and talk for free for as long as you like. Upon first use, the SIP phone will auto-configure and connect to the SIPphone directory which allows calls to be placed and received from any SIP user worldwide. Each SIP phone comes with a unique SIP number formatted to the standard numbering convention of a 3-digit area code (747) and a 7-digit phone number such as 555-1212. All SIPphone numbers begin with (747) which spells "SIP."

Phone calls should be free with your broadband Internet connection and that's exactly what SIPphone makes possible. By plugging in an affordable SIP phone, any consumer can get the benefit of worldwide free calling,? says SIPphone CEO, Michael Robertson. "Today few people know about SIP, but it will fundamentally change the telephone business, just as MP3 has done with the music industry. Today's announcement of the first low cost and easy-to-use SIP phone will start the explosion of SIP."

A line of affordable and easy to use SIP phones are being offered for the first time exclusively for purchase online at SIPphone.com. Phones are available for immediate order and delivery. Two SIP phones can be purchased for just for the pair www.sipphone.com (limit four phones per person). Phones come with an AC adaptor and Ethernet cable (RJ45) to plug into a broadband connection. No additional configuration is required for most users -- just plug and dial.

Once connected, users can call any other SIPphone or any of the thousands of SIP users from around the world on popular SIP directories. In addition, toll free 800 and 8xx numbers can be dialed. Each SIP phone comes with its own unique SIP number allowing users to share their number and receive calls from other SIP users. Unlike a landline phone, a SIPphone is fully portable so a SIP phone can be moved to any broadband location and all calls to that SIP number will ring at this new location.

SIP phones are a unique solution for frequent callers between one or more office locations, students away at college or relatives who often chat. Because there are no charges, even for international calls, SIP phones are ideal for international callers looking to avoid high per-minute rates. SIP phones are also a great way for teenagers to chat with their friends without tying up the family?s regular phone line.

By logging into my.SIPphone.com, a user can customize their phone, manage their numbers and view their call history. An online address book and popular features such as call-waiting, caller ID, and the logging of missed calls are all available as part of the free service. To learn more about SIPphone visit To stay up-to-date on all SIPphone developments, visit ww.sipphone.com/whatsnew

SIPphone is a new company being launched by Michael Robertson, the founder and former CEO of MP3.com and current CEO of Lindows.com (www.lindows.com), which develops a Linux-,based desktop operating system to compete with Microsoft. SIPphone is based in San Diego, California.

SIP (Session Initiation Protocol) is an international standard similar to HTTP (web) and SMTP (email), used for initiating interactive communication sessions between users. SIP can be used for telephony, Internet conferencing, presence, events notification and instant messaging. SIP was developed within the IETF MMUSIC (Multiparty Multimedia Session Control) working group, with work proceeding since September 1999 in the IETF SIP working group.

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