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.

• License: Freeware
• Language: English
• Release: 2005-05-23
• Size: 429 Kb
• Cost: Free

Free VOIP / SIP phone. Use your PC as a phone. Works with any SIP / VOIP provider/ phone service. Use instead of the soft phone provided by your VOIP provider which locks you into their VOIP phone service. Easy to use interface to transfer, forward calls or set-up conference calls. Call log, call statistics & phone-book. Available in English, German, Spanish, French & Portuguese. Free download from http://3cx.com.

• License: Freeware
• Language: English, French, German, Portuguese, Spanish
• Release: 2006-02-07
• Size: 1 Mb
• Cost: Free

VoIPRebates.org is dedicated to providing consumers with easy access to reviews and comparisons of the top Voice Over Internet Phone providers on the web. We also offer a unique $20-$40 rebate on any of the providers listed, which is given above and beyond any offers or promotions by the service providers themselves.

• License: Freeware
• Language: English
• Release: 2008-01-28
• Size: 1 Mb
• Cost: Free

Register to Vphonet and make low-cost international calls from your PC or directly from your mobile. Calling between Vphonet users is FREE. Vphonet offers advantage VoIP communication features: call forwarding, call transfer, call deflection, video conferences, video messages, file transfer, answering machine, SMS messaging (PC-to-PC, PC-to-Phone). You can use Vphonet free around the world. Vphonet is VoIP Internet Phone with unique protocol.

• License: Freeware
• Language: English, French, Russian, Polish, Hebrew
• Release: 2008-04-03
• Size: 2 Mb
• Cost: Free

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.

• License: Demo
• Language: English
• Release: 2005-09-01
• Size: 2 Mb
• Cost: 799.00 $

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.

• License: Shareware
• Language: English
• Release: 2005-09-24
• Size: 5 Mb
• Cost: 399.00 $

We believe that our customers deserve nothing short of best. To cater the varied communication needs of our clients and deliver superior solutions and services in Softphone. Our first model is Adoresoftphone Lite 2.0, which is the basic model of SIP Softphone especially designed to give you a soothing communication experience. Every model of SIP Softphone is crafted out while keeping the various requirements of our clients

• License: Freeware
• Language: English
• Release: 2007-12-08
• Size: 2 Mb
• Cost: Free

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.

• License: Commercial
• Language: English, German
• Release: 2008-02-08
• Size: 6 Mb
• Cost: 899.00 $

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.

• License: Shareware
• Language: English, Italian, German
• Release: 2007-08-22
• Size: 5 Mb
• Cost: Free

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.

• License: Freeware
• Language: English
• Release: 2008-04-02
• Size: 14 Mb
• Cost: Free

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 calling experience with features like: * SIP + IAX protocols * SIP over TCP/TLS/UDP(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

• License: Freeware
• Language: English
• Release: 2007-07-19
• Size: 2 Mb
• Cost: Free

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.

• License: Commercial
• Language: English, German
• Release: 2008-02-28
• Size: 9 Mb
• Cost: 999.00 $

Make voice calls from any PC in the world. Free voice connectivity with Internet users. RinGo allows you to make calls from any place in the world from your PC without the use of PSTN for local and international calls. Instead of a regular phone you may use your PC equipped with headset and Internet-connection instead of regular telephone line.

• License: Freeware
• Language: English, Russian
• Release: 2005-07-21
• Size: 1 Mb
• Cost: Free

Easy-to-use automatic telephone notification software with confirmation and built-in calendar. Ideal for time sensitive customer based business, organizations and professional offices. The reminder messages can be appointments, meetings, medication, bill due or any message of your design. The message includes attendee name, date and time, callback number. Message uses human voice or text to speech technology to convert text into voice.

• License: Freeware
• Language: English
• Release: 2007-05-20
• Size: 50 Kb
• Cost: Free

TeamTalk allows you to talk with our friends and colleagues using the internet or a local area network. All you need is a microphone and a sound card. Unlike many other internet voice applications TeamTalk allows any number of people to participate in a conversation. This, of course, requires more bandwidth but TeamTalk features a variety of configuration options which allows you to select the quality settings that best fit your connection speed.

• License: Freeware
• Language: English
• Release: 2006-09-04
• Size: 1 Mb
• Cost: Free

Best_phone_2006 is a free downloadable soft phone which enables you to make calls from pc to pc, pc to mobile and pc to landline. Best_phone_2006 ffers you a Best_phone_2006 number to make free pc to pc calls and receive free incoming calls from any phone.Best_phone_2006 also offers outstanding features such as Video Call, Follow Me Service, Voice Mail, Video Chat, MP3 Player, Video Streaming, Fax and Online Search.

• License: Freeware
• Language: English
• Release: 2006-04-20
• Size: 20 Mb
• Cost: Free

Best Phone is a free downloadable soft phone which enables you to make calls from pc to pc, pc to mobile and pc to landline. Best Phonoffers you a free phone number to make free pc to pc calls and receive free incoming calls from any phone. Best virtually converts your pc into a second phone. Best Ph also offers outstanding features such as Video Call, Follow Me Service, Voice Mail, Video Chat, MP3 Player, Video Streaming, Fax and Online Search.

• License: Freeware
• Language: English
• Release: 2006-04-20
• Size: 20 Mb
• Cost: Free

Internet phone server / gateway software for the home and small business. A true software voip solution without expensive hardware. Take your old voice modem and give it new life. Our innovative software gives you full remote control of your telephone. With virtual extensions you can serve upto 9000 friends using as many phone lines as your PC can handle. Full voice mail services both by phone and internet are included.

• License: Shareware
• Language: English
• Release: 2006-08-17
• Size: 2 Mb
• Cost: 34.95 $

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.

• License: Commercial
• Language: English, German
• Release: 2007-05-30
• Size: 4 Mb
• Cost: 699.00 $

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.

• License: Commercial
• Language: English, German
• Release: 2007-05-30
• Size: 2 Mb
• Cost: 499.00 $