The VaxVoIP WebPhone SDK offers fast and efficient SIP-based dialing and call receiving capabilities, as well as audio and video conferencing features that can be easily added to any webpage.

This highly customizable solution includes sample codes, technical manuals, COM components, and a demo application that offers everything you need to get started with. It is a complete package designed exclusively to help you develop your own webphone.
Built on COM (Component Object Model) based technology, this software is a single COM component that you can use with any application development tool like VC++, C#, VB.NET, Delphi, and C++. The easy-to-understand sample source codes contained within the SDK provide thorough insights on how to develop your own webphone.
You can dial and receive phone calls through any SIP-based servers, gateways or ITSP (Internet Telephony Service Providers) with VaxVoIP WebPhone SDK. This feature is particularly convenient if you frequently make phone calls from your computer.
VaxVoIP WebPhone SDK is also capable of activating SIP-based video conferencing. This means you can converse with colleagues or family members face-to-face from the comfort of your own device.
Another impressive feature of this software is its ability to allow you to incorporate SIP-based Instant Messaging and Presence functionalities to your integrated webphone.
And, finally, VaxVoIP WebPhone SDK is NAT and firewall-friendly, making it an ideal solution for webphone clients who are behind firewalls or NAT. That means it's easy to set up regardless of your network's configuration.
Overall, VaxVoIP WebPhone SDK offers an efficient way to create a custom and feature-rich webphone suited to your specific needs.
Version 6.0.4.2: Added video support, Better voice quality
Version 4.0.6.0: Added video support, Better voice quality