theKompany.com has announced their latest product for the Sharp Zaurus Linux based PDA. “tkcPhone” is a Voice over IP (VoIP) application that allows you to use your Zaurus as a phone, either to make free calls between computers, or to make PC to phone calls through an exchange like Net2Phone.

They have formed a partnership with Net2Phone, and will be offering direct reselling of Net2Phone. Prices are as low as $.02 per minute in the US and $.03 per minute internationally, but calling to another PC is free.

tkcPhone has the following features:

• SIP protocol based phone
  
• Codecs: PCMU, GSM, G729
  
• Dynamic jitter buffer size
  
• Instant messenging
  
• Buddy list
  
• STUN server support
  
• SIP proxy support
  
• Digest/basic proxy authorization support
  
• Net2Phone compatible client
  
• Codec Negotiation – use of Offer/Answer model for SDP as described in RFC 3264
  
• Event Notification – use of SIP Events framework as described in RFC 3265 for presence, instant messaging, message waiting, configuration and other event packages

tkcPhone is scheduled for general release later this month, and is being sold for $19.95 (USD).

A free demo of tkcPhone is available. It restricts phone call duration and removes the g729 codec.

 
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