Free Downloads: Free Sip Windows Mobile

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

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

This free plug-in enables you to use Microsoft Fax/Windows Fax and Scan in conjunction with a VoIP environment.

This Free plug-in enables you to use Microsoft Fax/Windows Fax and Scan in conjunction with a VoIP environment. Installing and configuring this plug-in enables Microsoft Fax/Windows Fax and Scan to connect to your regular PSTN phone line via a VoIP Gateway (that supports Sip T.38) to successfully send and receive fax transmissions. In addition, when a reliable...

Category: Internet / Communications
Publisher: FaxBack, Inc., License: Freeware, Price: USD $0.00, File Size: 23.8 MB
Platform: Windows

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

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

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

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

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...

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

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

Best_phone_2007 is a free downloadable soft phone which enables you to make calls from pc to pc, pc to mobile and pc to landline. Best_phone_2006 offers you a Best_phone_2006 number to make free pc to pc calls and receive unlimited free incoming calls from any phone.

Best_phone_2007 is a Sip based VoIP soft phone, which integrates robust technologies such as Sip stack by NIST (National Institute of Standards and Technology) and Java, JMF from Sun Microsystems. Best_phone_2006 is a Free downloadable soft phone which enables you to make calls from pc to pc, pc to Mobile and pc to landline. Best_phone_2006 offers you a...

Category: Internet
Publisher: freecashfree.com, License: Freeware, Price: USD $0.00, File Size: 20.0 MB
Platform: Windows

Free VOIP / SIP phone (softphone) for Windows. Use your PC as a phone. Works with popular VOIP providers and SIP PBX's (including 3CX Phone System). Easy to use & light weight. Full version, not a lite version!

Free VOIP / Sip phone (softphone) for Windows. Use your PC as a phone. Works with popular VOIP providers and Sip PBX's (including 3CX Phone System). The interface is easy to use and similar to that of popular Smartphones. 3CXPhone is compact and easy to install across a network. Features include Call Transfer, Call Recording, Hold, Headset support, Call History. Full...

Category: Internet / Internet Phone and Teleconferencing
Publisher: 3CX Ltd, License: Freeware, Price: USD $0.00, File Size: 3.4 MB
Platform: Windows

Make FREE pc-to-pc, cheap pc-to-phone, pc-to-fax, phone-to-pc, fax-to-pc, SIP-phone calls over Internet or ISDN/PSTN telephone networks. Use your computer as internet telephone, USB phone, SIP telephone, ISDN phone, FAX, Voicemail.

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, answer phone, fax software, voicemail, caller ID, CLIP/CLIR, audio...

Category: Internet / Communications
Publisher: Selectra Ltd, License: Shareware, Price: USD $35.00, EUR35, File Size: 1.3 MB
Platform: Windows

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

Embedded Windows CE VOIP Developers Kit is your embedded telephony solution for developing software/hardware to enable device to device phone calls using SIP/H323 phone right at the electronics level.

Embedded Windows CE VOIP Developers Kit is your embedded telephony solution for developing software/hardware to enable device to device phone calls using Sip/H323 phone right at the electronics level. The design is based on Hybrid Combination of RFC Sip Protocol and Windows RTC and is today successfully ported to Windows CE/Pocket PC/Smart Phone. With a...

Category: Internet
Publisher: Research Lab Inc, License: Demo, Price: USD $799.00, File Size: 2.4 MB
Platform: Windows, Pocket PC, Palm, Symbian

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

DOCOMO Calls is a windows based PC to phone dialer.

DOCOMO Calls is a Windows based PC to phone dialer. The program comes Free but all that is necessary is that you need to have an active login with user and password to make calls to Mobile phones. The program works through a Sip server for compatibility with smarth phones. Also the program can be installed onto a Mobile smart phone.

Category: Internet / Communications
Publisher: DOCOMO CALLS, License: Freeware, Price: USD $0.00, File Size: 3.3 MB
Platform: Windows

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

Gizmo Project - Free Internet phone software that offers free PC-to-PC calls and ultra-low rates for calls to ordinary landlines and mobile phones.

Gizmo Project is a Free Internet phone for your computer that lets users make crystal-clear Free calls using the Internet. As easy to use as instant messaging, calls offer crystal-clear voice quality and PC-to-PC calls are always Free. Calls to ordinary landlines and Mobile phones are available at the lowest possible domestic and International calling rates. Gizmo...

Category: Business & Finance
Publisher: SIPphone, Inc., License: Freeware, Price: USD $0.00, File Size: 10.5 MB
Platform: Windows, Mac, Linux

VoIP Tunnel technology by SecureVoIP in order to enable making and receiving VoIP calls for users who are behind firewalls that block VoIP traffic, especially in countries like UAE, Oman and others with internet restrictions.

VoIP tunneling and encryption technology for your Sip server or PBX by SecureVoIP (voiptunneling.com) in order to enable making and receiving VoIP calls for users who are behind firewalls that block VoIP traffic, especially in countries like UAE, Oman and others with internet restrictions. The VoIP Tunnel is compatible with any hardware or software Sip clients and it is...

Category: Software Development / Tools & Editors
Publisher: SecureVoIP SRL, License: Shareware, Price: USD $120.00, USD120, File Size: 690.5 KB
Platform: Windows

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

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

The Mizu WebPhone is a lightweight SIP standard based VoIP web phone software implemented as a java applet that can be run from webpages

The Mizu browser Webphone (WebSIPPhone) is a lightweight standard based VoIP phone that can be run from the browsers, embeddable in your website. 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 your softswitch or a VoIP service...

Category: Software Development
Publisher: Mizutech S.R.L, License: Demo, Price: USD $500.00, USD500, File Size: 3.2 MB
Platform: Windows, Mac, Linux, Handheld/Mobile Other, OpenVMS, Unix, Other, Java

Free VOIP / SIP phone. Use your PC as a phone. Works with any SIP/ VOIP provider/ phone service. Easy to use interface to transfer, forward calls or set-up conference calls. Free download from http://www.3cx.com

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 includes dial pad and buttons to transfer or forward a call. Set-up conference calls with a few mouse-clicks. Includes call log, phone-book, call...

Category: Internet
Publisher: 3CX Ltd, License: Freeware, Price: USD $0.00, File Size: 1.1 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) *...

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

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