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ISR's PPPhone SIP Stack provides mobile device manufacturers and OEMs with a lightweight but robust and up-to-date implementation of the SIP Protocol, allowing them to bring their products to market rapidly.
Our SIP Stack has been tested and deployed extensively in Windows CE and Pocket PC mobile devices, proving to be a reliable mobile VoIP solution. It supports advanced IP-PBX features essential for business use, including hold, park forward, and presence capabilities.
PPPhone SIP Stack SDK is a high-function modular source code solution developed in C/C++ with the highest standards of coding, architecture and support typical of ISR products. The PPPhone SIP Stack is fully portable, running on a wide variety of hardware platforms and operating environments including Pocket PC 2003/2002, Windows CE Windows Mobile, Windows XP, Windows 2000, Embedded Linux, and T-kernel.
High connectivity and interoperability are key characteristics in the PPPhone SIP Stack, which has been tested with IP Telephony carriers such as Fusion Communications, NTT Communications OCN, and KDDI DION, as well as SIP platforms including Zultys, iCOM, NEC, SIP Express Router, and Asterisk.
The PPPhone SIP Stack SDK package includes libraries, API documentation, sample code and a softphone user agent for testing.
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