Free Downloads: Sip Proxy

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,...

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

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...

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

The MLB SIP Load Balancer is used to load balance SIP services, to achieve performance scalability and high availability of the SIP services.

The MLB Sip Load Balancer is used to load balance Sip services, to achieve performance scalability and high availability of the Sip services. MLB is a fast Sip Proxy application capable to handle millions of simultaneous calls and will provide traffic routing based on server load. The Sip Load Balancers automatically detect when a server is...

Category: Software Development / Databases & Networks
Publisher: Mizutech S.R.L, License: Shareware, Price: USD $3800.00, USD3800, File Size: 7.3 MB
Platform: Windows

TekSIP is a SIP Registrar/Proxy for Windows.

TekSIP is a Sip Registrar and Proxy. TekSIP tested on Microsoft Windows XP, Vista, Windows 7, and Windows 2003/2008 server. TekSIP complies with RFC 3261, RFC 3263, RFC 3311, RFC 3581 and RFC 3891. It supports NAT traversal, UPnP and ENUM. Please see technical details about NAT traversal in Readme.txt. You can select IP address to be listened, alternative Sip routes for...

Category: Internet / Dial-up & Connectivity
Publisher: KaplanSoft, License: Shareware, Price: USD $185.00, File Size: 3.1 MB
Platform: Windows

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

SiSky-Connect SIP to Skype Network
Make/Receive Skype Calls by IP Phone
KEY Features:
* Make Skype outgoing calls and incoming calls available on SIP device
* Display Skype ID on IP phone if SIP proxy supports it
* Setup speed-dial

SiSky-Connect Sip to Skype Network
Make/Receive Skype Calls by IP Phone
KEY Features:
* Make Skype outgoing calls and incoming calls available on Sip device
* Display Skype ID on IP phone if Sip Proxy supports it
* Setup speed-dial to short the dialing duration
* Transfer Skype Calls to other IP phones
* Quick and easy operation and...

Category: Utilities / System Utilities
Publisher: Yeastar Technology Co,.Ltd., License: Shareware, Price: USD $15.00, File Size: 1.9 MB
Platform: Windows

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 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

"VidPhone" is a H.

"VidPhone" is a H.323/Sip Video SoftPhone for Windows and Linux OS.
VidPhone support both Sip and H.323 protocols, varios audio codecs and high-definition video.

VidPhone has following features and parameters:

- Protocols: Sip and H.323
- Audio codecs: G.711/G.729/Speex/iLBC/G.723.1/GSM/G.726
- Video codecs:...

Category: Internet / Communications
Publisher: RSDevs.com, License: Shareware, Price: USD $40.00, File Size: 8.9 MB
Platform: Windows

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 (G.721)...

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

ABTO Software's VoIP SIP SDK allows quick VoIP softphone app development. SIP softphone provides voice, video and IM communication, supports VPN and SRTP connection, and is compatible with most SIP servers.

ABTO Software's VoIP Sip SDK allows quick VoIP softphone app development. Also you can use it when you need to add VoIP features to your software. Quick facts about ABTO Software VoIP Sip SDK for Android: Versions: VoIP Video Sip SDK for Android Standard VoIP Sip SDK for Android Trial: Download sample Sip softphone on...

Category: Internet / Communications
Publisher: ABTO Software, License: Shareware, Price: USD $995.00, File Size: 7.5 MB
Platform: Android

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

Billion Softswitch is a software system for intellectual proxy of signaling and media streams in the VoIP-networks based on SIP and H.

Billion Softswitch is a software system for intellectual Proxy of signaling and media streams in the VoIP-networks based on Sip and H.323 protocols.

Billion Softswitch provides user authentication and authorization, controls user rights during session, sends calls to optimum terminators, perform cross-protocol Sip/H.323 conversion and generates various...

Category: Home & Education / Miscellaneous
Publisher: ProfInfoTech, License: Shareware, Price: USD $0.00, File Size: 0
Platform: Windows

ABTO Software's VoIP SIP SDK allows quick VoIP softphone app development. SIP softphone provides voice, video and IM communication, supports VPN and SRTP connection, and is compatible with most SIP servers.

ABTO Software's VoIP Sip SDK allows quick VoIP softphone app development. Also you can use it when you need to add VoIP features to your software. Quick facts about ABTO Software VoIP Sip SDK for Android: Versions: VoIP Video Sip SDK for Android Standard VoIP Sip SDK for Android Trial: Download sample Sip softphone on Google Play...

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

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.

Sip Workbench...

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

Video VoIP SIP SDK for iPhone is a solution to quickly build VoIP softphone that can dial and receive calls on your computer or add VoIP features into your software.

Video VoIP Sip SDK for iPhone is a solution to quickly build VoIP softphone that can dial and receive calls on your computer or add VoIP features into your software. Quick facts about VoIP Sip SDK for iPhone: iOS 5/6 compatible Support of Sip and RTP STUN and other IETF standards (compatible with SER, OpenSER and Asterisk) Sip...

Category: Internet / Communications
Publisher: ABTO Software, License: Shareware, Price: USD $495.00, File Size: 106.0 KB
Platform: iOS, iPhone

Voolyk Sip Server is a mature and flexible SIP server (RFC3261). It can be used on systems with limited resources as well as on carrier grade servers, scaling to up to thousands call setups per second.

Voolyk Sip Server is a mature and flexible Sip server (RFC3261). It can be used on systems with limited resources as well as on carrier grade servers, scaling to up to thousands call setups per second. It is written in pure C for Unix/Linux-like systems with architecture specific optimizations to offer high performances.

Category: Software Development / ActiveX
Publisher: Voolyk, License: Commercial, Price: USD $499.00, File Size: 1.2 MB
Platform: Windows

ABTO Software offers IVR VoIP SIP SDK - customizable interactive voice response software solution that supports multiple lines and all features of our VoIP SIP SDK.

ABTO Software offers IVR VoIP Sip SDK - customizable interactive voice response software solution that supports multiple lines and all features of our VoIP Sip SDK: * Support of all versions of Windows OS, including Windows 8 * Support of Sip, RTP, and SDP * STUN and other IETF standards (compatible with SER, OpenSER and Asterisk) * Encryption...

Category: Internet / Communications
Publisher: ABTO Software, License: Shareware, Price: USD $999.00, File Size: 106.4 KB
Platform: Windows

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 via...

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

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 cult following in the...

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

Our VoIP SIP SDK provides a powerful and highly customizable solution to quickly add SIP based dial and receive phone calls features in your software applications. It accelerates the development of SIP VOIP applications.

VoIP Sip SDK provides a powerful and highly customizable solution to quickly add Sip based dial and receive phone calls features in your software applications. It accelerates the development of Sip compliant soft phone with a fully-customizable user interface and brand name. The Abto LLC VoIP Sip SDK contains a high performance VoIP conferencing client capable...

Category: Software Development / Tools & Editors
Publisher: DEK Software International, License: Shareware, Price: USD $1399.00, File Size: 8.5 MB
Platform: Windows

When using Proxy Firewall there is no need for you to configure your Internet programs to use a proxy, just answer Proxy Firewall's questions when asked.

Proxy Firewall will act as a standard firewall for out-bound connections.When a program attempts to send packets out of your computer, ProxyFirewall will allow you to choose if the program is allowed to access the Internet, as well as supply you with options that will force the connection through a Proxy server. Proxy Firewall does all of the work. When using Proxy...

Category: Internet
Publisher: Unique Internet Services, LLC, License: Freeware, Price: USD $0.00, File Size: 1.0 MB
Platform: Windows

Konnetic's Unity SIP .

Konnetic's Unity Sip .NET SDK povides a fully RFC3261 compliant class library written for the .NET platform that runs on Microsoft's CLR or Mono.
Sip methods currently supported include REGISTER, INVITE, OPTIONS, ACK, BYE, CANCEL, INFO, UPDATE and MESSAGE.
Supports TCP, UDP and TLS transports plus HTTP Digest Authentication.
Includes Session Description...

Category: Internet / Misc. Plugins
Publisher: Konnetic, License: Shareware, Price: USD $400.00, File Size: 381.1 MB
Platform: Windows

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