IntTalk Basic SIP SDK for VoIP developers.

IntTalk Basic SIP SDK (Software developer Kit) provides function libraries and components to quickly add SIP (Session Initiation Protocol) based general dial and receive phone call featuresin your software applications.

IntTalk SIP communication library provides features accessible from a simple C++ DLL through an interface what can be used with a variety of programming languages and developer environments.

Using IntTalk SIP SDK you are able to build SIP based applications like Softphones, SIP Registrar, Automated Dialer or IM applications with your own GUI (graphical user interface) and brand name.

We also offers affordable software customization for our products. Whether you need simple changes or need new functionality, we offer services to meet your needs.

IntTalk Basic SIP SDK Main features

• SIP Proxy authentication
• Dial phone calls
• Receive phone calls
• Acoustic echo cancellation or suppression
• Narrowband, wideband voice codecs
• Call recording into wave (.wav) file
• Play audio from wave (.wav) file
• DTMF tones generation and detection
• NAT/Firewalls friendly with Outbound SIP Proxy
• Microphone & Speaker control
• Telephony features (Transfer call, Route call, Pause call, etc.)
• Presence
• Advanced SIP logging for better analysis
• Media stream encryption

For more details download the IntTalk Basic SIP SDK public documentation or please contact us.


IntTalk Large Group Conference (LGC) SIP SDK for VoIP developers.

IntTalk LGC SIP SDK (Software developer Kit) provides function libraries and components to quickly add SIP (Session Initiation Protocol) based MCU (Multi Point Controller Unit) features in your software applications.



IntTalk Instant Messaging (IM) and Video SIP SDK for VoIP developers.

IntTalk IM and Video SIP SDK (Software developer Kit) provides function libraries and components to quickly add SIP (Session Initiation Protocol) based instant messaging (chat) and video chat featuresin your software applications.



IntTalk Softphone.

IntTalk Softphone encapsulates all features expected by softphone users. For more details and custom softphone development and application intagration please contact us.



IntTalk e-Education System.

IntTalk e-Education System is a professional solution for online education based on our Basic SIP, LGC and IM SDKs. For more details about the solution and custom delivery and application intagration please contact us.



IntTalk Webphone.

IntTalk Webphone is a solution for adding instant call functionalities to your websites. For more details about custom webphone development and application intagration please contact us.



IntTalk media stream encryption.

IntTalk VoIP solutions provide enterprise level enrypted communication up on request. For more details about custom development and application intagration please contact us.



IntTalk IP PBX.

IntTalk IP PBX solutions provide enterprise level VoIP soft PBX functionalities. For more details about IP PBX features, services or custom development and application intagration please contact us.


IntTalk Centrex Service.

IntTalk Centrex service provides enterprise level centrex service with customization. For more details about centrex features, services or custom development and application intagration please contact us.