Sip Adapter Circuits

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...

Design, simulate and test various sequential control circuits with this useful simulator. Secure design and test equipment through virtual laboratory. Learn to use relays, contacts, timerelays, various buttons, 3 phase and one phase induction motors.

Keyspan USB Twin Serial Adapter is the driver software that allows you to connect your Keyspan USB Twin Serial Adapter into your USB slot, allowing you to plug in hardware that requires the serial port such as StylWriters, Personal LaserWriters, HP DeskWriters, and more.


Platforms: Mac

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,...


Platforms: Windows

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 to transfer, forward calls or set-up conference calls. Call log, call...


Platforms: Windows

Quorum is software which runs as a phone conference server on any Windows PC. Callers dial into the server to join telephone conferences. Callers can connect to a conference call using either standard or VoIP lines on external telephone numbers or through an office phone system. The number of...


Platforms: Windows, Windows 8, Windows 7

Mizu VoIP Server is an all in one enterprise grade softswitch solution with support to SIP and H.323. All Class5 features including sophisticated routing, access rules, CDR record generation, billing and accounting, resellers module, calling-card, web interface with full compatibility with your...


Platforms: Windows

Logic Circuit features a very user friendly and intuitive Simulator under Windows, for the design of logic circuits. Reduces chances of damage to hardware, by simulating the behaviour of the circuit components and testing them using software. Easy to use and modify!


Platforms: 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. With this phone once you set the gatekeeper proxy with the username and password from your...


Platforms: Palm OS, Windows, Windows CE

This interactive computer program consists of several circuit analysis activities. Realistic troubleshooting activities are also included involving resistors, capacitors, inductors and transformers. DC Circuits Challenge V5 consists of a set of fourteen activities to assist instruction of DC...


Platforms: Windows

Eliminate PBX headaches with 3CX Phone System for Windows! Evolve your communications with 3CX Phone System for Windows - an office phone system/IP PBX that completely replaces your proprietary PBX, supports standard SIP soft/hard phones, VOIP services and traditional PSTN phone lines. 3CX...


Platforms: Windows

Bluetooth MAC Address Changer for Windows modifies the Bluetooth MAC Address of your Bluetooth adapter. (Bluetooth MAC address is also known as "Bluetooth Address", "BD_ADDR", "Bluetooth hardware ID"). Supported CSR and Broadcom chip based bluetooth adapters. Both portable and setup versions...


Platforms: Windows, Windows 8, Windows 7

JVoIP is a Java VoIP SDK for developers to easily build SIP client applications or add VoIP call capabilities into any Java application. The whole library consist of a single 1 MB .jar file implementing a full features SIP client including SIP and media (RTP/RTCP with echo cancellation and...


Platforms: OS/2, Windows, Mac, *nix, Windows 8, Windows Phone, Windows 7, Windows Server, Other,Java,Netware

Keyspan USB Adapter contains the drivers for the following adaptors: Twin Serial Adapter (models USA-28X, USA-28XA and USA-28XB) PDA Adapter (models USA-19 and USA-19Qi) High Speed Serial Adapter (models USA-19W and USA-19QW) USA-18X Serial Adapter USA-28 USB Serial Adapter USA-49W 4-port Serial...


Platforms: Mac

Mizu VoIP Server is an all in one enterprise grade softswitch solution with support to SIP and H.323. All Class5 features including sophisticated routing, access rules, CDR record generation, billing and accounting and offers full compatibility with your SIP infrastructure. Highlights:...


Platforms: Windows, Windows 8, Windows 7, Windows Server

ZOIPER Free Version 2.0 is a new generation IAX and SIP softphone compatible with the Asterisk platform as any other IAX or SIP capable system. ZOIPER Free Edition features include: IAX/IAX 2 + SIP protocols, STUN support, STUN server per account, Echo cancellation, DTMF tones sending, Support...


Platforms: Windows, Mac, *nix

This interactive computer program consists of several circuit analysis activities. Realistic troubleshooting activities are also included involving resistors, capacitors, inductors and transformers. AC Circuits Challenge V5 consists of a set of fourteen activities to assist instruction of AC...


Platforms: Windows

Fax Voip Softphone is a powerful and unique SIP / H.323 software telephone that lets users make phone calls, record calls, play audio files into the telephone line as well as send/receive T.38 and audio faxes from one single software application using any Voice over IP (VoIP) telephony provider....


Platforms: Windows, Windows 7, Windows Server

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...


Platforms: Windows, *nix

QSapecNG is a Qt-based program for symbolic analysis of linear analog circuits. In fact, it consists of two indipendent parts: the SapecNG framework engine and the application gui QSapecNG. It is an open source, multi-platform project, continuously enhanced by students and researchers of...


Platforms: Linux