Windows Vista

Make FREE pc-to-pc, pc-pc and cheap pc-to-phone, pc-phone, pc-to-fax, pc-fax, phone-to-pc, phone-pc, fax-to-pc, fax-pc, SIP-telephone, sip-to-phone calls over Internet/VoIP or ISDN/PSTN telephone networks. Use your computer as internet telephone, USB phone, ISDN telephone, ISDN fax, fax software, voicemail, caller ID, CLIP/CLIR, audio conferencing, call answer, call transfer, call forwarding, call waiting, call accounting, call recording.

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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, T.38 fax support, STUN support, Echo cancellation, DTMF tones, Adaptive jitter buffer, Call transfer, Hold function, Multilanguage support, Portable storage compatibility, Codecs: GSM, ulaw, alaw, speex, ilbc.

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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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VaxVoIP SIP SDK provides tools and components to quickly add SIP (Session Initiation Protocol) based IP-Telephony make and receive phone calls feature in your web pages and software applications. It delivers superior voice quality by integrating advanced digital voice processing features including acoustic echo cancellation, noise cancellation and adaptive jitter buffering.

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VaxVoIP SIP SDK provides tools and components to quickly add SIP (Session Initiation Protocol) based IP-Telephony make and receive phone calls feature in your web pages and software applications. It delivers superior voice quality by integrating advanced digital voice processing features including acoustic echo cancellation, noise cancellation and adaptive jitter buffering.

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Embedded Windows CE VOIP Developers Kit is your embedded telephony solution for developing software/hardware to enable device to device phone calls using SIP/H323 phone right at the electronics level. The design is based on Hybrid Combination of RFC SIP Protocol and Windows RTC and is today successfully ported to Windows CE/Pocket PC/Smart Phone.

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SIP Phone DLL - 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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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, T.38 fax support, STUN support, Echo cancellation, DTMF tones, Adaptive jitter buffer, Call transfer, Hold function, Multilanguage support, Portable storage compatibility, Codecs: GSM, ulaw, alaw, speex, ilbc.

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MizuPhone has features never seen in other SIP softphones like HD video, Remote Desktop over SIP, UltraWideband codec and others. MizuPhone helps to join the largest comunity in the world. Over 10 million existing SIP users. The VOIP client that takes the most of the newest VOIP technologies. With the help of its advanced network handling, it will work behind NAT's where other softphone's will fail. Full compatibility with your SIP infrastructure

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MizuPhone has features never seen in other SIP softphones like HD video, Remote Desktop over SIP, UltraWideband codec and others. MizuPhone helps to join the largest comunity in the world. Over 10 million existing SIP users. The VoIP client that takes the most of the newest VOIP technologies. With the help of its advanced network handling, it will work behind NAT's where other softphone's will fail. Full compatibility with your SIP infrastructure

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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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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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Collanos Phone is a software-only Voice over Internet Protocol (VoIP) phone and a multi-protocol instant messenger combined in one application. The main features include placing audio & video calls and sending instant messages to existing Jabber, MSN, ICQ, AOL, and Yahoo! networks. Following Collanos` multi-platform strategy, the product is available on Windows, Mac OSX, and Linux. All basic features of Collanos Phone are available at no cost.

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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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VoIP 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. It accelerates the development of SIP/ RTP compliant soft phone with a fully-customizable user interface and brand name.

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VoIP SIP SDK with DLL, ActiveX and .NET - 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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VOIP H323 DLL Soft Phone SDK brings H.323 protocol support for ActiveX. With this SDK one can create a simple program to connect and start speaking with anyone with a direct IP Address or use the Gateway or the Gatekeeper to connect to /or from PSTN lines. Now VOIP open source projects have made it easier to implement a customized VOIP Solution eliminating costly PSTN lines.

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Uplink connects SIP protocol VoIP calls to the proprietary Skype phone network. It works in both directions. Connects both incoming and outgoing calls to the Skype network. Can be used to make SkypeOut calls from a SIP device or SIP PBx. Can receive SkypeIn calls and direct them to your SIP extension. Fully complies with the RFC3261 for SIP signalling

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Uplink connects SIP protocol VoIP calls to the proprietary Skype phone network. It works in both directions. Connects both incoming and outgoing calls to the Skype network. Can be used to make SkypeOut calls from a SIP device or SIP PBx. Can receive SkypeIn calls and direct them to your SIP extension. Fully complies with the RFC3261 for SIP signalling

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