A simple way to VoIP-enable your applications
If youre developing an application where you would like users to be able to talk to each other using voice over IP (VoIP), send instant messages (IM) and share files the TeamTalk 3 SDK might be the type of software youre looking for. The TeamTalk 3 SDK includes a VoIP component which is quick to integrate into your existing applications. The SDK also comes with its own standalone TeamTalk 3 server which you can host yourself, so you dont need to rely on a thirdparty.

The TeamTalk 3 SDK includes a VoIP client which has the following features:
Supports 8, 16 and 32 KHz audio for both low- and high-bandwidth users.
Low latency to ensure real-time conversations.
Thoughput Between 600 to 6000 bytes/sec. depending on voice quality.
Arrange users in rooms/channels with passwords.
Private and public instant messaging.
Share files among users in the same channel.
Push-to-talk and voice activation to enable voice transmission.
Individual volume and 3D sound position for each user.
Access each users audio stream and record conversations.

Secure data transmission using SSL and BlowFish encryption.
The TeamTalk 3 SDK encapsulates the TeamTalk VoIP client in a Win32 C-API DLL, COM control and a Linux .so, thereby allowing developers to choose the type of component they see most fit for their development environment. A TeamTalk server for Windows is included in the SDK and a Linux server can be found on the main page of this website. you can free download TeamTalk 3 SDK 3.5c now.