Sip Softphone

VaxVoIP SIP Android SDK accelerates the development of SIP based softphone and SIP clients for Android based devices and other Hand-Held device. VOICE CHANGER SUPPORT: VaxVoIP SIP Android SDK supports Voice Changer, which works in real-time and let you sound like a robot, a chipmunk, a...

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, USB handset, ISDN telephone, ISDN fax,...

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...


Platforms: Windows

Mizu VoIP Server is an all in one enterprise grade softswitch solution with support to SIP and H.323. All Class5 features including sophisticated routing, access rules, CDR record generation, billing and accounting, resellers module, calling-card, web interface with full compatibility with your...


Platforms: Windows

OfficeSIP Messenger provides enterprises with advanced instant communications for free. Compatible with Office Communications Server 2007, OfficeSIP Messenger delivers reliable performance combined with trouble-free deployment and management. Supporting text, voice and video chats, the free...


Platforms: Windows

Telepati SIP Phone Freeware allows you to make PC-PC phone-phone calls over the Internet. Developed using Research Labs VOIP SIP Phone SDK, this free soft phone brings SIP protocol support for ActiveX. With this phone once you set the gatekeeper proxy with the username and password from your...


Platforms: Palm OS, Windows, Windows CE

Eliminate PBX headaches with 3CX Phone System for Windows! Evolve your communications with 3CX Phone System for Windows - an office phone system/IP PBX that completely replaces your proprietary PBX, supports standard SIP soft/hard phones, VOIP services and traditional PSTN phone lines. 3CX...


Platforms: Windows

JVoIP is a Java VoIP SDK for developers to easily build SIP client applications or add VoIP call capabilities into any Java application. The whole library consist of a single 1 MB .jar file implementing a full features SIP client including SIP and media (RTP/RTCP with echo cancellation and...


Platforms: OS/2, Windows, Mac, *nix, Windows 8, Windows Phone, Windows 7, Windows Server, Other,Java,Netware

Mizu VoIP Server is an all in one enterprise grade softswitch solution with support to SIP and H.323. All Class5 features including sophisticated routing, access rules, CDR record generation, billing and accounting and offers full compatibility with your SIP infrastructure. Highlights:...


Platforms: Windows, Windows 8, Windows 7, Windows Server

ZOIPER Free Version 2.0 is a new generation IAX and SIP softphone compatible with the Asterisk platform as any other IAX or SIP capable system. ZOIPER Free Edition features include: IAX/IAX 2 + SIP protocols, STUN support, STUN server per account, Echo cancellation, DTMF tones sending, Support...


Platforms: Windows, Mac, *nix

Fax Voip Softphone is a powerful and unique SIP / H.323 software telephone that lets users make phone calls, record calls, play audio files into the telephone line as well as send/receive T.38 and audio faxes from one single software application using any Voice over IP (VoIP) telephony provider....


Platforms: Windows, Windows 7, Windows Server

Doddle is a free online SIP WebPhone through which you can make phone calls from within a webpage.It works with couple of VoIP providers or you can even fill it with your own SIP settings details. There is no desktop software to be downloaded at all. It just uses Java plugin( JVM ) which...


Platforms: Windows, *nix

The Express Talk 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...


Platforms: Windows

Express Talk is software that works like a telephone to let you make calls on your Pocket 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...


Platforms: Pocket PC, Windows

A multi-platform IAX and SIP softphone, compatible with the Asterisk platform and any SIP-capable system in general. It is available in Free and Biz editions. Zoper Free offers the following advanced features: - D?.38 fax receiving support (for SIP) - STUN support - Various codec support...


Platforms: Mac

Fax Voip T38 Fax & Voice - Fax and Answering Machine for your SIP/H.323/ISDN CAPI 2.0 line. Multiple SIP Registrations. Call Routing. Voice Fax Modem for your Fax & Voice software. Color faxes over VOIP and ISDN. Fax Routing Methods. Fax-On-Demand. For your fax or voice application, it's a Voice...


Platforms: Windows, Windows 7, Windows Server, Other

Fax Voip Windows Fax Service Provider (Fax Voip FSP) enables Microsoft Fax and Windows Fax and Scan, which are built right into Windows, to send and receive T.38 and audio (over G.711 codec) faxes using your VoIP (SIP or H.323) infrastructure. Windows Fax Service and Windows Fax and Scan...


Platforms: Windows 7, Windows, Windows Server, Other

Doddle is a free online SIP WebPhone through which you can make phone calls from within a webpage. It works with couple of VoIP providers or you can even fill it with your own SIP settings details. There is no desktop software to be downloaded at all. It just uses Java plugin( JVM ) which...


Platforms: Windows, *nix

Adore SIP Softphone comes with an intuitive Graphical User Interface and can be easily customized. It's designed with SIP technology that can be used to make outbound phone calls from PC to any telephone. Since sip softphone uses Microsoft's g723.1 codec, it can be used in all versions...


Platforms: Windows

A Windows free SIP IP PBX software. It is very easy to use and deploy, with powerful features like:ACD, Auto Attendant, Call Park, Ring Group, Conference, Call Pickup Group, Auto Outbound Dialer, Database CDR report, Database PBX Status Report. It supports SIP extensions, SIP accounts, inbound...


Platforms: Windows