VaxVoIP Server SDK provides tools, demo application, sample codes and software components to accelerate the development of SIP (Session Initiation Protocol) based VoIP Servers and IP PBX systems for Banking, calling card companies, call centers and long distance telephony companies. HIGHLY CUSTOMIZABLE SOLUTION VaxVoIP Server SDK (Software Development Kit). It contains sample codes, technical manual, COM component and demo application. It is a complete package to develop a SIP server. COM (COMPONENT OBJECT MODEL) BASED TECHNOLOGY VaxVoIP Server SDK contains single COM (Component Object Model) component, and can be used with any application development tool, VC++, C#, VB.NET, Delphi, C++, etc. EASY TO UNDERSTAND SAMPLE SOURCE CODES VaxVoIP Server SDK includes sample code in different development tools. MULTI-CORE PROCESSORS SUPPORT VaxVoIP Server SDK is designed and developed in a way that if you run your VaxVoIP integrated SIP server on a computer with multi-core processor/CPU (core2duo, dual core, quad core, hex core), then VaxVoIP divides its processing load among all cores of the CPU to increase the efficiency and handle more SIP clients. CREATE CALL QUEUES AND PLAY MUSIC One can easily create queues of any type (priority, circular, random, custom) and can also play music on queue calls. CREATE RING & PICKUP GROUPS Call ring and pick-up functionality can be added very easily. CALL PARKING & BARGING It is incredibly easy to develop call parking and barging functionality. MULTI-USER SERVER SIDE CONFERENCE ROOMS VaxVoIP SIP SDK supports server side multi-user call conference, in which multiple calls can be added to a single conference. CALL RECORDING One can easily add functionality in VaxVoIP Server SDK integrated SIP server to record conversations into wave (.wav) files. NAT AND FIREWALL FRIENDLY VaxVoIP Server SDK is friendly to those SIP clients who are behind the NAT/firewalls.