# A Appendix

Purpose

This appendix provides information on ISUP signaling messages, SSUTR2 signaling messages, signaling information, cause codes and message parameters. Descriptions of SS7 acronyms and ISUP messages are also provided.

In this section:

SS7 Acronyms

ISUP Signaling Messages

ISUP Signaling Information

Message Parameters

Cause Codes

V5.2 Protocol Implementation Compliance Statement (PICS)

V5.2 Example Configuration Trace

Bringing Logical Span IDs (0-7) and V5 IDs (0-3) In Service

V5.2 Example Call Processing Trace

V5.2 Additional Call Flows

See Integrated Services Digital Network User Part.
See Signaling System Number Seven.