| 摘要 |
PURPOSE: An integrated operation method for a protocol stack API(Application Program Interface) of a VoIP(Voice over Interface Protocol) is provided to register all events corresponding to each operated protocol so that an API is independently operated as to all protocols. CONSTITUTION: All events and callback functions are registered in a stack core(61). It is checked whether a message of a protocol is inputted through an IP(Internet Protocol) network, and it is judged whether the protocol is a registered protocol(62). If the protocol is the registered protocol, the stack core analyzes the inputted message of the protocol(64). It is checked whether the analyzed command or action of the protocol is registered in a stack database(65). If the analyzed command or action of the protocol is registered in the stack database, the stack core notifies acknowledgement to an API(67). It is judged whether the registered content is 'common' or 'specific'(68). If the registered content is 'common', an operation is performed according to each command or action(69). If the registered content is 'specific', an operation is performed according to the characteristic of each protocol(70).
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