Transaction Layer

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Detailed Description

This module provides stateful processing to incoming or outgoing SIP messages. Before performing any stateful operations, application must register the transaction layer module by calling pjsip_tsx_layer_init_module().

Application should link with pjsip-core library to use the transaction layer.

Table of Contents
	Transaction
	Transaction instance for all types of SIP transactions. The pjsip_transaction describes SIP transaction, and is used for both INVITE and non-INVITE, UAC or UAS. Application must register the transaction layer module with pjsip_tsx_layer_init_module() before performing any stateful operations.
	Stateful Operations
	Utility function to send requests/responses statefully.