这个处理程序负责处理超时情况并使用正确的后续TCAP消息传递处理它，如果必要，终止调用。

This handler is responsible for processing the timeout situation and handling it with the correct subsequent TCAP messaging and, if necessary, terminating the call.

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这个处理程序还包含任何必要的处理来终止SIP会话，例如，如果从TCAP接口收到一个ABORT消息的话。

This handler also includes any necessary processing for tearing down the SIP session if, for example, an ABORT message is received from the TCAP interface.

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如果收到的回调表明处理WS1消息时出错，聚合应用程序也可能终止调用。

When a received callback indicates errors processing the WS1 message, the converged application may also tear down the call.

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