Today T-Engine is a buzzword for the Ubiquitous Community. Global acceptance of T-Engine Standard has shifted the focus from centralized to distributed environment computing. With the promotion of "On demand distributed computing" by T-Engine Community and also SIP support for ubiquity, the need of wide deployment of Session Initiation Protocol (SIP) will increase. IAP_SIP framework over T-engine consists of various components including GUI application, SIP User Agent, SDP, RTP and audio codecs.

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