SIP client: * Easily make and receive SIP (Session Initiation Protocol) based phone calls through any SIP gateway or SIP compliant IP-Telephony service provider * VoIP conferencing with crystal clear sound even for both low and high-bandwidth users (G711 A-Law, G711 U-Law and iLBC Codec). * Registration on SIP Server (SIP Registrar). * Instant text messaging. * Microphone and Speaker Visualization support. * Microphone and Speaker Volume with Mute

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SIP client: * Easily make and receive SIP (Session Initiation Protocol) based phone calls through any SIP gateway or SIP compliant IP-Telephony service provider * VoIP conferencing with crystal clear sound even for both low and high-bandwidth users (G711 A-Law, G711 U-Law and iLBC Codec). * Registration on SIP Server (SIP Registrar). * Instant text messaging. * Microphone and Speaker Visualization support. * Microphone and Speaker Volume with Mute

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Express Talk is software that works like a telephone to let you make calls from your PC. With Express Talk you can call anyone on the internet who has installed Express Talk (or any other SIP voip softphone). Calls are free. You can also call ordinary telephone numbers anywhere in the world if you sign up to a gateway service. It uses the SIP protocol and is compatible with most major VoIP SIP service providers.

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Use Vphonet as a telephone. Vphonet allows you to see, hear, send sms or files, and chat with anyone, anywhere in the world for free. You can also make calls from Vphonet to landlines and mobile phones at cheap rates. Vphonet`s features: call forwarding, call transfer, call deflection, video conferences, video messages, answering machine, handsfree mode,address book. Use Vphonet to make phone to phone and phone to PC calls. Download for free.

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SIP SDK - A powerful and highly versatile VoIP SDK to accelerate development of SIP applications. Our brand-new SIP SDK provides a powerful and highly versatile solution to add quickly SIP (Session Initiation Protocol) based dial and receive phone calls features in your software applications and websites. It accelerates the development of SIP/ RTP compliant soft phone with a fully-customizable user interface and brand name. The conaito VoIP SIP SDK

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VoIP SIP SDK for .NET and ActiveX - A powerful and highly versatile VoIP SDK to accelerate development of SIP applications. Our brand-new SIP SDK provides a powerful and highly versatile solution to add quickly SIP (Session Initiation Protocol) based dial and receive phone calls features in your software applications. It accelerates the development of SIP/ RTP compliant soft phone with a fully-customizable user interface and brand name.

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