An easy to use Internet phone for Mac OS X using VoIP to provide crystal clear voice quality in an attractively sleek interface. The quick configuration will allow you to get talking to other iSoftPhone users in seconds. iSoftPhone is integrated with the Mac OS X address book to make calls and manage contacts. Simply dial the number of the person you wish to talk with or select them from contacts to call.

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OfficeSIP Alerter is a simple, easy-to-use and free sip messenger. It was not designed for prolonged chat, it is handy when you need to send or receive single message. It is good replacement for old-fashioned Alerter Service. OfficeSIP Alerter has simple interface but it is based on Session Initiation Protocol, so you can exchange messages with users of Windows Messenger or other sip messenger.

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VoIP Surfer X-Lite 3.0 is the market`s leading free SIP based softphone available for download. Based on the advanced architecture of eyeBeam 1.5 (VoiP Surfer`s carrier grade telephony client), the new VoIP Surfer is designed to showcase some of the feature rich capabilities available with our commercial softphone such as superior audio and video quality, zero-touch configuration, IM & Presence, and a comprehensive personal address book.

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SIP standard for signalling (RFC 3261) so it works with the broad range of SIP compatible phones and other devices. ~ Works with hardware type VoIP extensions which just plug into the LAN (eg. Grandstream, Sipura etc.). ~ Works with computer based softphones (eg. the Express Talk Softphone) where you make calls through your computer. ~ Works with USB phones plugged into your computer. ~ Links directly to VoIP services for your external lines (with

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SIP standard for signalling (RFC 3261) so it works with the broad range of SIP compatible phones and other devices. ~ Works with hardware type VoIP extensions which just plug into the LAN (eg. Grandstream, Sipura etc.). ~ Works with computer based softphones (eg. the Express Talk Softphone) where you make calls through your computer. ~ Works with USB phones plugged into your computer. ~ Links directly to VoIP services for your external lines (with

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Telepati SIP Phone Freeware allows you to make PC-PC phone-phone calls over the Internet. Developed using Research Labs VOIP SIP Phone SDK, this free soft phone brings SIP protocol support for ActiveX. With this phone once you set the gatekeeper proxy with the username and password from your providers, you can connect and start speaking with anyone on the internet.

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