Free Downloads: Sip Protocol

License:  All 1 2 | Free

Shareware
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SIP Workbench is a graphical SIP, RTP, STUN, and TURN protocol analyzer and viewer designed to help illustrate and correlate VoIP and IM network interactions.

Sip Workbench is a graphical Sip, RTP, STUN, and TURN Protocol analyzer and viewer designed to help illustrate and correlate VoIP and IM network interactions. Sip Workbench is a versatile tool designed for Protocol developers, system integrators, and end-users to use to visualize, diagnose, and debug complex multi-Protocol interactions.

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Category: Internet / Communications
Publisher: BreakPoint Software, License: Shareware, Price: USD $89.95, File Size: 3.3 MB
Platform: Windows



Uplink Skype to Sip Adapter Screenshot
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Uplink connects SIP protocol VoIP calls to the proprietary Skype phone network. It works in both directions.

Uplink connects Sip Protocol VoIP calls to the proprietary Skype phone network. It works in both directions. The Sip Protocol has become the industry standard for VoIP. Thousands of telephone companies, IP phone manufacturers and virtual IP based PBX systems use this Protocol to connect calls. The problem is the proprietary IP phone 'Skype' has an almost...

Category: Internet
Publisher: NCH Swift Sound Software, License: Shareware, Price: USD $27.50, File Size: 238.3 KB
Platform: Windows, ME, NT 4.x, XP, 2000, 2003, Vista

Freeware
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Enigma is a free Session Initiation Protocol (SIP) softphone available for your download.

Enigma is a free Session Initiation Protocol (Sip) softphone available for your download. It can used to make Internet calls, establish conference and send instant messages to your buddies under the same Sip network. Choose your platform see features So whether your just having a simple voice conversation or talking to a friend over Instant Messaging, Enigma will leads you...

Category: Internet / Communications
Publisher: Racequeen Inc., License: Freeware, Price: USD $0.00, File Size: 20.8 MB
Platform: Windows

Freeware
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Flaphone™ is a SIP (Session Initiation Protocol) compatible web softphone, that is working in web browser without installation of any specific software*.

Flaphone™ is a Sip (Session Initiation Protocol) compatible web softphone, that is working in web browser without installation of any specific software*. Everything that you need is internet connection, speakers and microphone**. Flaphone™ users can call each other, to Sip phones, and any phone numbers, if Sip provider accounts are configured in control...

Category: Internet / Communications
Publisher: Innovative Systems of Communication LLC, License: Freeware, Price: USD $0.00, File Size: 2.2 MB
Platform: Windows

VaxVoIP SIP Recording SDK Screenshot
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VaxVoIP Recording SDK offers a new, flexible approach that integrates multiple advanced features, empowering users to create their own VoIP Call Recording Server.

VaxVoIP Sip SDK gives you important tools and software to create, set up, and adjust VoIP call recording systems that use Sip. You can download example apps and code to help you understand how to do it. VaxVoIP Call Recording Sip SDK includes tools, demo applications, sample code, and software components to speed up the development of Sip (Session Initiation...

Category: Internet / Communications
Publisher: VaxSoft, License: Shareware, Price: USD $1280.00, File Size: 23.7 MB
Platform: Windows

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The snom 4S media server is a turnkey solution for handling media in SIP environments.

The snom 4S media server is a turnkey solution for handling media in Sip environments. Using the Sip
Protocol the media server can be used with software solutions like Microsoft Messenger or with a variety of hard phones like the snom 100 and 200.
The media server can be used with the snom 4S Sip Proxy/ Registrar as well as with other Sip proxies,...

Category: Utilities / Misc. Utilities
Publisher: snom technology AG a€“ VoIP Phones, License: Demo, Price: USD $0.00, File Size: 1.8 MB
Platform: Windows

SIP ActiveX and SDK Screenshot
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PCBest Network provides SIP solutions for SIP Developers.

PCBest Network provides Sip solutions for Sip Developers. From high level Sip ActiveX to low level Sip SDK, the complete Sip development solutions are giving users multipul choices to deploy their voip productions in fastest and most efficient way. PCBest Network's Sip SDK can be used to develop Sip clients or Servers(proxy, media gateway, PBX,...

Category: Software Development / ActiveX
Publisher: PCBest Network, License: Shareware, Price: USD $19.99, File Size: 1.6 MB
Platform: Windows

Shareware
WebRTC SIP gateway Screenshot
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WebRTC SIP is a gateway to convert WebRTC calls from browsers to SIP and inverse turning your browser into a regular softphone.

WebRTC Sip is a gateway to convert WebRTC calls from browsers to Sip and inverse turning your browser into a phone with audio, video and SMS capabilities. The gateway allows your web browser to make and receive calls from/to any Sip-legacy network or PSTN for example call to X-Lite or any mobile/landline phone. The supported protocols includes WebRTC, Sip,...

Category: Business & Finance / Business Finance
Publisher: Mizutech S.R.L, License: Shareware, Price: USD $1900.00, USD1900, File Size: 25.0 MB
Platform: Windows

VaxTele SIP Server SDK Screenshot
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VaxTele SIP Server SDK allows software vendors and service providers to develop their own SIP based VoIP Server, IP-PBX, SIP PBX, SIP gateway and IP-Telephony services.

VaxTele Sip Server SDK (Software Development Kit) is a new and flexible approach to develop Sip based VoIP servers, IP-PBX, Sip gateways, Sip PBX. It is really easy to develop IP-Telephony, PC to PC and PC to Phone services by using VaxTele Sip Server SDK. VaxTele Sip Server SDK includes COM (Component Object Model) components, and can be used in almost...

Category: Software Development / Components & Libraries
Publisher: VaxSoft, License: Shareware, Price: USD $550.00, File Size: 12.3 MB
Platform: Windows

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It 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 and websites.

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

Category: Internet / Dial-up & Connectivity
Publisher: Conaito Technologies, License: Shareware, Price: USD $1499.00, File Size: 9.2 MB
Platform: Windows

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The SIP Proxy Tunnel can combine all SIP (signaling) and RTP (media) VoIP Packets from one location (typically a remote office) and deliver them to and from another location (typically the PBX Server) using a custom TCP protocol.

The Sip Proxy Tunnel can combine all Sip (signaling) and RTP (media) VoIP Packets from one location (typically a remote office) and deliver them to and from another location (typically the PBX Server) using a custom TCP Protocol. This simple concept allows us to exploit the Sip Proxy Tunnel to overcome difficult situations, or to simplify a network scenario.
...

Category: Internet / Communications
Publisher: 3CX, License: Freeware, Price: USD $0.00, File Size: 1.5 MB
Platform: Windows

Freeware
Doddle WebPhone Screenshot
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Doddle is a free online SIP WebPhone through
which you can make phone calls from within a
webpage.

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 by
default exists is most browsers. Asterisk (News -
Alert), BT...

Category: Internet / Communications
Publisher: Doddle WebPhone, License: Freeware, Price: USD $0.00, File Size: 564.0 KB
Platform: Windows, Linux

Demo
WebPhone Screenshot
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The Mizu WebPhone is a SIP standard based VoIP software for Web implementing multiple engines: Native, WebRTC, Flash, Java and App. Web to SIP from all OS, all browsers.

Web to Sip for all OS, all browsers. The Mizu WebPhone is a Sip standard based VoIP software for web implementing multiple engines: Native, WebRTC, Flash, Java and App. Based on the industry standard Sip Protocol, it is compatible with all VOIP devices and services. It can call any other Sip soft phone (for free charge) or any landline or mobile number...

Category: Software Development
Publisher: Mizutech S.R.L, License: Demo, Price: USD $500.00, USD500, File Size: 8.4 MB
Platform: Windows, Mac, Linux, iOS, Android, BlackBerry, Handheld/Mobile Other, OpenVMS, Unix, Other, iPhone, iPod, Java

Telepati SIP Phone Freeware Screenshot
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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. Tested and works with 75% of the providers.

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 providers, you can connect and start speaking with anyone on the internet....

Category: Software Development
Publisher: Research Lab Inc, License: Freeware, Price: USD $0.00, File Size: 1.4 MB
Platform: Windows, Pocket PC, Palm, Symbian, Handheld/Mobile Other

Freeware
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MiaPhone is a free SIP-based softphone, which can be used to make or receive calls through Internet.

MiaPhone is a free Sip-based softphone, which can be used to make or receive calls through Internet. It is compatible with all Voip (Voice over IP) service providers, that support Sip Protocol.

Main features:
- Compatible with Windows 98/Me/2000/XP/2003/Vista/7
- Supports work behind NAT/Firewall (STUN is used)
- G.711, GSM, iLBC, G.726...

Category: Internet / Communications
Publisher: Duxoft Lite, License: Freeware, Price: USD $0.00, File Size: 1.9 MB
Platform: Windows

Freeware
PhonerLite Screenshot
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Easy to use VoIP softphone with profile and contact management.

PhonerLite is a clearly arranged and easy to used application for Windows. PhonerLite enables your PC to use it for internet telephony (VoIP, Voice over IP). Pre-conditions are a full-duplex sound card, a microphone and speakers (alternatively a headset), an internet connection and a registration at a provider supporting the Protocol Sip. PhonerLite supports several Sip...

Category: Internet
Publisher: Heiko Sommerfeldt, License: Freeware, Price: USD $0.00, File Size: 2.4 MB
Platform: Windows

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OfficeSIP Alerter is a simple, easy-to-use and free sip messenger.

OfficeSIP Alerter is a simple, easy-to-use and free Sip messenger. It was not designed for prolonged chat, it is handy when you need to send or receive single message. It is good replacement for old-fashioned Alerter Service. OfficeSIP Alerter has simple interface but it is based on Session Initiation Protocol, so you can exchange messages with users of Windows Messenger or other...

Category: Internet / Chat
Publisher: OfficeSIP Communications, License: Freeware, Price: USD $0.00, File Size: 665.6 KB
Platform: Windows

VaxVoIP SIP Android SDK Screenshot
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VaxVoIP SIP Android SDK provides tools and components to quickly add SIP (Session Initiation Protocol) based softphone and SIP client for Android based devices and other Hand-Held device.

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 drunk grandpa, a teen boy or someone who just inhaled helium. DEVELOP...

Category: Software Development / Components & Libraries
Publisher: VaxSoft, License: Shareware, Price: USD $1280.00, File Size: 3.1 MB
Platform: Android

ABTO Software Flash SIP SDK Screenshot
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ABTO Software provides a customizable flash softphone that can be used for support on corporate and chats for web portals.

ABTO Software provides a customizable flash softphone SDK that can be used for development of support solutions on corporate websites and chats for web portals. Flash Softphone is a web softphone, that is working in web browser without installation of any specific software. It operates using Sip (Session Initiation Protocol). The Phone is compatible with any Sip server...

Category: Internet / Communications
Publisher: ABTO Software, License: Shareware, Price: USD $1999.00, File Size: 106.4 KB
Platform: Windows, Android

VoIP SIP SDK for iPhone Screenshot
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VoIP SIP SDK for iOS (iPhone and iPad) is a toolkit to quickly build SIP softphone client for iOS or add VoIP features into your app for App Store.

VoIP Sip SDK for iOS (iPhone and iPad) is a toolkit to quickly build Sip softphone client for iOS or add VoIP features into your app for App Store. Operating System: Mac OS X. Development environments: VOIP Sip SDK for iPhone on objective-C (Xcode); VOIP Sip SDK for iPhone on Swift. iOS versions: VoIP Sip SDK for iOS 6;...

Category: Internet / Communications
Publisher: ABTO Software, License: Shareware, Price: USD $995.00, File Size: 106.0 KB
Platform: Mac, iOS, iPhone, iPod

VaxVoIP SIP iOS SDK Screenshot
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VaxVoIP SIP iOS SDK provides tools and components to quickly add SIP (Session Initiation Protocol) based softphone and SIP client for Apple iOS based devices (iPhone, iPad, iPod etc.) and other Hand-Held device.

VaxVoIP Sip iOS SDK accelerates the development of Sip based softphone and Sip clients for Apple iOS based devices (iPhone, iPad, iPod etc.) and other Hand-Held device. VOICE CHANGER SUPPORT: VaxVoIP Sip iOS SDK supports Voice Changer, which works in real-time and let you sound like a robot, a chipmunk, a drunk grandpa, a teen boy or someone who just inhaled...

Category: Software Development / Components & Libraries
Publisher: VaxSoft, License: Shareware, Price: USD $1480.00, File Size: 15.5 MB
Platform: Unknown

Freeware
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iFone-VNN is an Internet phone service of Vietnam Posts and Telecommunications Corporation (VNPT), developed by SIP technology (Session Initiation Protocol) which uses whole or a part of public Internet to establish calls between telephone, personal

iFone-VNN is an Internet phone service of Vietnam Posts and Telecommunications Corporation (VNPT), developed by Sip technology (Session Initiation Protocol) which uses whole or a part of public Internet to establish calls between telephone, personal computer (PC) and other terminal equipments.

Category: Internet / Communications
Publisher: Vietnam Datacommunication Company, License: Freeware, Price: USD $0.00, File Size: 4.8 MB
Platform: Windows

Shareware
SIP Phone DLL Screenshot
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SIP Phone DLL allows to make PC-PC, PC-phone, or phone-phone calls or create Instant Messaging (IM) sessions over the Internet VOIP SIP Phone SDK brings protocol support for ActiveX. With this SDK one can create a simple web site voip service.

Sip Phone DLL allows to make PC-PC, PC-phone, or phone-phone calls or create Instant Messaging (IM) sessions over the Internet VOIP Sip Phone SDK brings 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 (provided no NAT Router or Firewall is set) or use the Gateway or the Gatekeeper...

Category: Software Development
Publisher: Research Lab Inc, License: Shareware, Price: USD $399.00, File Size: 3.0 MB
Platform: Windows, Pocket PC, Symbian

Shareware
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TekFax is a SIP (Session Initiation Protocol) fax receiver server (Based on RFC 3261) runs under Windows (XP, Vista, 2003 Server).

TekFax is a Sip (Session Initiation Protocol) fax receiver server (Based on RFC 3261) runs under Windows (XP, Vista, 2003 Server).
Simple, easy to use interface.
TekFax can send incoming faxes for configured recipients via e-mail in TIFF format.
Supports UPnP for NAT traversal. You can also set external IP address manually.
ENUM (RFC 37612).

Category: Internet / Communications
Publisher: Yasin KAPLAN, License: Shareware, Price: USD $45.00, File Size: 1.3 MB
Platform: Windows

Commercial
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SIP DLL - A powerful and highly versatile VoIP SDK to accelerate development of SIP applications.

Sip DLL - A powerful and highly versatile VoIP SDK to accelerate development of Sip applications. Our brand-new Sip DLL 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...

Category: Software Development / Components & Libraries
Publisher: Conaito Technologies, License: Commercial, Price: USD $999.00, File Size: 3.7 MB
Platform: Windows

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License:  All 1 2 | Free