Segment 0C: Testing PIPs PIP 0C1: Asynchronous Test Notification This is a single-action process, with asynchronous receipt acknowledgment. Its choreography and controls are similar to PIP3A7. PIP 0C2: Asynchronous Test Request / Confirmation This is a two-action process; receipt acknowledgments and confirmation are asynchronous. Its choreography and controls are similar to PIP3A4 V02.00. PIP 0C3: Synchronous Test Notification This is a single-action process, with synchronous receipt acknowledgment. Its choreography and controls are similar to PIP3A7, except in a synchronous response mode. PIP 0C4: Synchronous Test Query / Response This is a two-action process; the response is synchronous, and no receipt acknowledgments are used. Its choreography and controls are similar to the synchronous mode of PIP2A9.