softphone works like a telephone to let you make calls through your computer and you can call anyone via the internet who has installed it (or any other SIP softphone). Connect your webcam or other video device and you can see and speak to family, friends and colleagues around the world. Calls computer to computer are always free. You can also call ordinary `real` telephone numbers anywhere in the world if you sign up with a VoIP gateway service

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Minipax is newest generation of Vidosystem Softphone. Our engineer had successfully recode sip engine to produce more robust, small application, better nat traversal sip softphone. Minipax NOW support SIP tunneling. SIP tunneling works where clients firewall blocked or on a country where voip is blocked. SIP tunneling also give more security to voip Minipax support hold function, mute function, mic/spk volume control, transfer call, for

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ZOIPER 2.0 Free SIP and IAX is a user-friendly softphone, compatible with Asterisk or any other SIP or IAX capable system. High-quality VoIP experience with features like: SIP + IAX protocols, SIP over TCP / TLS / UDP with STUN support, Echo cancellation, DTMF tones, Multiple audio devices support, Automatic user registration, Call transfer, Hold function, Multilanguage support, Portable storage compatibility, Codecs: GSM, ulaw, alaw, speex, ilbc

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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. Simply dial the number of the person you wish to talk with or select them from the Phonebook to dial their number. Create private telephone networks by using the option to add multiple SIP providers.

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kphone`s is the market`s leading free SIP based softphone available for download. Based on the advanced architecture of eyeBeam 1.5 (Phoner`s carrier grade telephony client), the new Phoner 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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Ekiga`s is the market`s leading free SIP based softphone available for download. Based on the advanced architecture of eyeBeam 1.5 (Phoner`s carrier grade telephony client), the new Phoner 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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