Ozeki VoIP .NET SDK allows to develop Flash SIP softphone using Javascript for adding it to web applications to make web to SIP voice calls. The sample program is based on MediaGateway SDK that is part of Ozeki SIP SDK. The softphone can be extended
License:Shareware, $697 to buy Size:18MB. Latest Update:2012-02-02
Ozeki .Net SIP SDK for developing Windows Forms softphone to make/receive VoIP calls. The Ozeki Windows Forms softphone sample has basic telephony functions, handles DTMF signals and customizable with further functions & company logo or brand name
License:Shareware, $697 to buy Size:16MB. Latest Update:2012-02-02
VaxVoIP SIP SDK provides tools and components to quickly add SIP (Session Initiation Protocol) based webphone, softphone and IVR systems for Desktop OS and Mobile-Phones.
License:Shareware, $1270 to buy Size:40MB. Latest Update:2013-03-28
MizuPhone is a free VoIP softphone for Windows which can be used with any softswitch or PBX using the industry standard SIP and RTP protocols.
License:Freeware, $0 to buy Size:8MB. Latest Update:2014-01-22
Ozeki .Net SDK for C# SIP WPF softphone development to make/receive VoIP calls. It supports basic telephony functions like make/receive, reject, hang up, hold calls, call transfer, DTMF handling for IVR systems, HD video, extended codec support
License:Shareware, $697 to buy Size:14MB. Latest Update:2012-02-02
Ozeki VoIP SIP .NET SDK allows to develop Silverlight SIP softphone to make web to SIP calls. The program demonstrates a web page embedded softphone with the use of Silverlight technology. It supports VoIP calls, IVR system, autodialer, DTMF signals
License:Shareware, $697 to buy Size:17MB. Latest Update:2012-04-13
MizuPhone is a professional VoIP softphone for Windows which can be used with any softswitch or PBX using the industry standard SIP and RTP protocols.
License:Shareware, $50 to buy Size:15MB. Latest Update:2014-01-21
Ozeki VoIP SIP .Net SDK to develop Visual C++.Net softphone to make & receive VoIP calls. The sample program supports basic telephony functions, handles DTMF signals and it is customizable with further effective functions & company logo or brand name
License:Shareware, $697 to buy Size:16MB. Latest Update:2012-02-02
Ozeki .Net SIP SDK for developing WinForms softphone in VB.Net to make VoIP calls. The sample program allows to make/receive calls, handles DTMF signals to navigate in IVR systems. It is customizable with more features and company logo. PBX support
License:Shareware, $697 to buy Size:16MB. Latest Update:2012-02-02
OfficeSIP Softphone is an audio / video softphone for Windows primarily for use in business scenarios, offering you an efficient and easy way of communication for free.
License:Freeware, $0 to buy Size:4MB. Latest Update:2010-02-19
Ozeki VoIP SIP .NET SDK allows to develop Do Not Disturb (DND) function for SIP softphones. If DoNotDisturb flag is set to true, the incoming calls will be rejected by a busy signal. The SDK makes it possible to extend this program with more features
License:Shareware, $697 to buy Size:16MB. Latest Update:2012-02-02
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.
License:Shareware, $49.99 to buy Size:<1MB. Latest Update:2013-09-17
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.
License:Shareware, $49.99 to buy Size:<1MB. Latest Update:2013-09-17
Ozeki VoIP SIP .Net SDK allows to develop C# VoIP softphone to make/receive voice and video calls. It supports basic telephone functions like make/receive, reject, hang up, hold calls, call transfer, DTMF handling, HD video, extended codec support
License:Shareware, $697 to buy Size:16MB. Latest Update:2012-02-02
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.
License:Freeware, $0 to buy Size:1MB. Latest Update:2009-10-26
Ozeki VoIP SIP .Net SDK for video softphone development to make/receive voice/video calls effectively. The sample program uses the SIP softphone source implementation of Ozeki SIP SDK. It supports HD video phoning, jitter buffer, H.263, H.264 codecs
License:Shareware, $697 to buy Size:16MB. Latest Update:2012-02-02
Ozeki VoIP SIP .Net SDK for VoIP call system development allows to add voice & video call feature to applications and webpages. Developers can make softphone, webphone solutions, SIP based voice and video applications for call centers, IVR systems
License:Shareware, $697 to buy Size:54MB. Latest Update:2012-02-02
Express Talk is software that works like a telephone to let you make calls on your Mac OS X. With Express Talk you can call anyone on the internet who has installed Express Talk (or any other SIP voip softphone). Calls are free.
License:Shareware, $49.99 to buy Size:<1MB. Latest Update:2010-04-16
Ozeki .NET SDK allows to develop VoIP video softphone to make and receive video calls. It makes it possible to change between the available video devices (web cameras), the video resolution (according to the selected cam) and transmission codecs
License:Shareware, $697 to buy Size:16MB. Latest Update:2012-04-13
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.
License:Freeware, $0 to buy Size:<1MB. Latest Update:2013-09-17
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.
License:Shareware, $49.99 to buy Size:1MB. Latest Update:2009-10-26
Ozeki SIP .Net SDK to develop auto answering C# VoIP softphone to auto answer incoming calls. The program registers to a SIP PBX and waits for incoming calls to accept. Auto answer can be a previously captured audio file or a text message to be read
License:Shareware, $697 to buy Size:16MB. Latest Update:2012-02-02
MizuPhone for iOS is a customizable VoIP softphone for iPhone which can be used with any softswitch or PBX using the industry standard SIP and RTP protocols.
License:Freeware, $0 to buy Size:<1MB. Latest Update:2012-04-19
Ozeki .NET SDK to develop Silverlight SIP softphone using Javascript for adding it to web applications to make web to SIP voice calls. The sample program is based on the MediaGateway SDK that is the part of Ozeki SIP SDK. The webphone can be extended
License:Shareware, $697 to buy Size:16MB. Latest Update:2012-02-02
Express Talk is software that works like a telephone to let you make calls on your Mac OS X. With Express Talk you can call anyone on the internet who has installed Express Talk (or any other SIP voip softphone). Calls are free.
License:Freeware, $0 to buy Size:<1MB. Latest Update:2010-04-16