2.4. Global Call SS7 Library

The Global Call SS7 library (Libgcs7) is responsible for performing the following tasks:

• Executing Global Call API functions that are invoked by the application for SS7 line devices
• Handling messages received from the SS7 server
• Sending telephony events, such as call state transitions (for example, GCEV_OFFERED, GCEV_DISCONNECTED etc.), to the application
• Sending ISUP or TUP and management messages to the protocol stack

See Chapter 4, Applying Global Call Functions to SS7 Applications for a list of supported Global Call SS7 library functions and how to use them in an SS7 environment.

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