Free Downloads: Sip Development

License:  All 1 2 | Free

Uplink Skype to Sip Adapter Screenshot
more

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



VaxVoIP SIP Desktop SDK Screenshot
more

VaxVoIP SIP Desktop SDK provides tools and components to quickly add SIP (Session Initiation Protocol) based webphone, softphone and IVR systems for Desktop OS and Mobile-Phones.

VaxVoIP Sip Desktop SDK accelerates the Development of Sip based webphone, softphone and IVR systems for Desktop OS and Mobile-Phones. VOICE CHANGER SUPPORT: VaxVoIP Sip 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. ANSWERING MACHINE DETECTION...

Category: Software Development / Components & Libraries
Publisher: VaxSoft, License: Shareware, Price: USD $1680.00, File Size: 38.0 MB
Platform: Windows

more

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

VoIP Sip SDK - 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 and websites. It accelerates the Development of...

Category: Software Development / Components & Libraries
Publisher: Conaito Technologies, License: Commercial, Price: USD $999.00, File Size: 5.1 MB
Platform: Windows

Shareware
more

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

Freeware
Doddle WebPhone Screenshot
more

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

Freeware
more

Simply sign up for SIP-discount, enter the appropriate settings in your SIP-device and call at the lowest rates available.

Simply sign up for Sip-discount, enter the appropriate settings in your Sip-device and call at the lowest rates available.
All calls are delivered at the PSTN networks at a fraction of the costs of regular (international) calls. Our cutting-edge technologies ensure crystal clear sound quality and reliability.

Category: Internet / Communications
Publisher: Finarea S.A. Switzerland, License: Freeware, Price: USD $0.00, File Size: 5.1 MB
Platform: Windows

PCBest Networks SIP PBX Screenshot
more

A Windows free SIP IP PBX software.

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 and outbound calls, and customized dial plans. With new plugin feature, you can...

Category: Internet / Communications
Publisher: PCBest Networks, License: Freeware, Price: USD $0.00, File Size: 4.0 MB
Platform: Windows

VaxVoIP SIP activeX SDK Screenshot
more

VaxVoIP SIP SDK provides tools and components to quickly add SIP (Session Initiation Protocol) based IP-Telephony make and receive phone calls feature in your web pages and software applications. You can easily develope net-to-phone apps & web pages.

VaxVoIP Sip SDK provides tools and components to quickly add Sip (Session Initiation Protocol) based IP-Telephony make and receive phone calls feature in your web pages and software applications. It accelerates the Development of Sip based soft phone with your own GUI (graphical user interface) and brand name. It delivers superior voice quality by integrating...

Category: Software Development
Publisher: VaxSoft Inc, License: Shareware, Price: USD $1500.00, File Size: 7.3 MB
Platform: Windows

more

VoIP SIP SDK for .

VoIP Sip SDK for .NET and ActiveX - 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 and websites. It accelerates the...

Category: Software Development / Components & Libraries
Publisher: Conaito Technologies, License: Commercial, Price: USD $999.00, File Size: 5.6 MB
Platform: Windows

Freeware
more

Billion Phone - compact convenient SIP phone software for making voice calls using your computer.

Billion Phone - compact convenient Sip phone software for making voice calls using your computer. The main advantage of Billion Phone is ability to show customer balance on the screen when working with Billion Softswitch, Billion PBX and some other Sip servers.

Features

- Sip registration
- Incoming and outgoing calls using Sip
-...

Category: Internet / Communications
Publisher: ProfInfoTech, License: Freeware, Price: USD $0.00, File Size: 2.1 MB
Platform: Windows

MizuPhone for iOS Screenshot
more

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.

MizuPhone for iOS is a customizable VoIP softphone for iPhone and iPad. This Sip client can be used with any Sip server, softswitch or PBX using the industry standard Sip and RTP protocols. All common VoIP features are included making this software a suitable solution for all VoIP business needs. The customized version are shipped with custom branding, preconfigured server...

Category: Utilities / Command Line Utilities
Publisher: Mizutech S.R.L, License: Freeware, Price: USD $0.00, File Size: 283.0 KB
Platform: Linux, Handheld/Mobile Other, iPhone, iPod, iTouch

Freeware
more

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

more

Distributed SIPFlow captures and displays SIP and Diameter messages in an intuitive graphical interface (see example below).

Distributed SIPFlow captures and displays Sip and Diameter messages in an intuitive graphical interface (see example below). Each console GUI interfaces with one or more SIPSniffers distributed across a Sip/IMS network and displays the Sip and Diameter call flows as reported by those sniffers. This is useful if your network of servers span multiple network segments or...

Category: Internet / Misc. Plugins
Publisher: Sipient, License: Shareware, Price: USD $25.00, File Size: 4.1 MB
Platform: Windows

more

Smart SIP Phone is a platform for Smart Dialer.

Smart Sip Phone is a platform for Smart Dialer.

It has a a user-friendly interface and it works as a mobile phone, but in a virtual mode.

You can customize your virtual phone as you want, you can adjust the audio settings of the microphone and speakers.

Just dial the number you want and enjoy your conversations.

Category: Internet / Communications
Publisher: Unicorn, License: Demo, Price: USD $0.00, File Size: 2.5 MB
Platform: Windows

more

The Ingate Startup Tool is an installation tool for Ingate Firewall and Ingate SIParator products using the Ingate SIP Trunking software module or the Remote SIP Connectivity module, which facilitates the setup of complete SIP trunking solutions or r

The Ingate Startup Tool is an installation tool for Ingate Firewall and Ingate SIParator products using the Ingate Sip Trunking software module or the Remote Sip Connectivity module, which facilitates the setup of complete Sip trunking solutions or remote user solutions.
The Startup Tool can be also be used for the Remote Sip Connectivity module as it sets up...

Category: Software Development / Tools & Editors
Publisher: Ingate Systems, License: Freeware, Price: USD $0.00, File Size: 478.5 KB
Platform: Windows

Shareware
SIP SDK Screenshot
more

SIP SDK - A powerful and highly versatile VoIP SDK. Our 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.

Sip SDK for .NET and ActiveX - A powerful and highly versatile VoIP SDK to accelerate Development of Sip applications. Our brand-new Sip Client 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 and websites. It accelerates the...

Category: Software Development / Components & Libraries
Publisher: Conaito Technologies, License: Shareware, Price: USD $699.00, File Size: 21.3 MB
Platform: Windows, Linux, Pocket PC, Unix, Java

5 Stars5 Stars5 Stars5 Stars5 Stars Commercial
VoIP SIP Client SDK Screenshot
more

VoIP SIP Client SDK - A powerful and highly versatile VoIP SDK. Our 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.

VoIP Sip Client SDK for .NET and ActiveX - A powerful and highly versatile VoIP SDK to accelerate Development of Sip applications. Our brand-new Sip Client 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 and websites. It...

Category: Software Development / Components & Libraries
Publisher: Conaito Technologies, License: Commercial, Price: USD $999.00, File Size: 6.4 MB
Platform: Windows, Linux, Pocket PC

SiSky Personal Edition Screenshot
more

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 excellent...

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

Freeware
more

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 panel.

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

Freeware
PhonerLite Screenshot
more

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 profiles,...

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

more

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

ABTO Software VoIP SIP SDK for Windows Screenshot
more

ABTO Software's VoIP SIP SDK for Windows is a solution to quickly build VoIP softphone that can dial and receive audio and video calls on your computer or add VoIP features into your software or web website.

Quick facts about ABTO Software's VoIP Sip SDK for Windows: License Details No yearly/monthly fee No limitation for number of users, channels, or products Protocols Support Sip RTP SDP TCP/UDP STUN ICE Development Features ActiveX, COM, and plain dll files NAT (Network Address...

Category: Internet / Communications
Publisher: ABTO Software, License: Shareware, Price: USD $995.00, USD999, File Size: 106.4 KB
Platform: Windows

VoIP SIP SDK for Windows Screenshot
more

ABTO Software's VoIP SIP SDK for Windows is a solution to quickly build VoIP softphone that can dial and receive audio and video calls on your computer or add VoIP features into your software or web website.

License Details No per seat licensing One time payment Standard (voice only), Video, Multiline (up to 64 media lines), Video conference versions Protocols Support Sip RTP SDP TCP STUN ICE Development Features ActiveX, COM, and plain dll files support of Sip DLL SDK (via native dll interface) NAT...

Category: Internet / Communications
Publisher: ABTO Software, License: Shareware, Price: USD $995.00, File Size: 106.4 KB
Platform: Windows

Freeware
more

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 to a...

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

more

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

blank

License:  All 1 2 | Free