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hp OpenCall SS7 platform Application Developer's Guide: For Release 3.1 on Linux > Chapter 12 Using the ISUP API
SS7 Stack Access |
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Via its API and probe objects, the HP OpenCall SS7 ISUP library allows the application to access each SS7 stack using one of the following access modes: Access mode is selected when the application requests the API to create a probe object on its behalf. The state-machine access mode enables the application to benefit from the state-machines and timers provided by HP OpenCall SS7 ISUP. The protocol behavior of HP OpenCall SS7 ISUP is dependent on the state-machines implemented for each software version (ANSI based or ITU-T based). In this access mode, the application can bypass the provided state-machines and timers, and directly interface with the ISUP Signaling Procedure Control (SPRC) functional block. This mode of access is recommended if you are developing a gateway application or an application not requiring interaction with the state-machines. If a customer has an existing application that implements the ISUP state-machines, and the customer wants to use this application instead of the HP OpenCall SS7 ISUP state-machines, then the Bypass Mode is the appropriate mode. |
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