Windows Vista

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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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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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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sharpVoice is a internet telephony program that enables free PC-to-PC and inexpensive PC-to-Telephone voice conference calls. sharpVoice Version 6.0 offers great sound quality even over slow internet connections and the ability to conduct multi-person conference calls without a conferencing server.

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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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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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Download EVCSoft and get free calls. EVCSoft lets you make VoIP sip voice-video calls to users anywhere in the world. Call PC to PC for free, all you need is EVCSoft installed on each machine, a webcam plus a microphone and speakers. Features: supports computer to phone via a VoIP SIP gateway provider, phone to computer, phone to phone, sms messages, video conferences, voice mail, call forwarding, video messages and more. Download free.

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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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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.

Read more -->

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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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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Voix manager is a switchboard application Iax phone integrated, is written in C++ and is able to manage and display information about your Asterisk PBX activity in real time. Voix Manager has been thought with simplicity in mind, all feature needed by the attendant, fast and easy usable, with the minimum configurations, just fill the phone and manager login information and play.

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ZOIPER Communicator is a very intuitive SIP softphone, with presence, chat, video and fax. Very stable, small footprint, skinnable, and with encryption support. It comes with a built in peer 2 peer voip service, so that you can speak chat and videotalk with other users even if your pbx or voip provider does not support those features.

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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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The conaito VoIP EVO SDK contains a high performance VoIP conferencing client capable of delivering crystal clear sound even for both low and high-bandwidth users. conaito VoIP EVO users are arranged in a tree-structure where each node is a room/channel where users can talk, send instant messages and share files. More than 40 users can be in each room/channel and participate in a conference.

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The conaito VoIP SDK contains a high performance VoIP conferencing client capable of delivering crystal clear sound even for both low and high-bandwidth users. conaito VoIP users are arranged in a tree-structure where each node is a room/channel where users can talk, send instant messages and share files. More than 40 users can be in each room/channel and participate in a conference.

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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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Voix manager is a switchboard application Iax phone integrated, is written in C++ and is able to manage and display information about your Asterisk PBX activity in real time. Voix Manager has been thought with simplicity in mind, all feature needed by the attendant, fast and easy usable, with the minimum configurations, just fill the phone and manager login information and play.

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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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conaito VoIP SDK ActiveX for developers of VoIP audio applications and webpages, such as voice chat, conference, VoIP, real-time low latency multi-client audio streaming over UDP/IP networks. Includes efficient components for sound recording, playback, encoding, decoding, mixing, resampling, reading, and writing wave files, mixer volume controls access. Provides UDP/IP server and client components for peer-to-peer, multi-user and broadcast.

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