windows mobile下tapi实现监视电话线路的程序。vs2008下创建，并在windows mobile 6.1下通过测试。-TAPI Programming on Windows Mobile August 16, 2008, 8:03 pm Download the source code TAPI stands for Telephony Application Programming Interface. TAPI is the Microsoft impl

PortSIP also offers several Software Development Kits (SDKs). These SDKs allow developers and Service Provider, OEM or Enterprise clients to create customized SIP-based VoIP applications, likes SIP Softphone, SIP base IVR system. Typically, cust