Appendix B: Current Status Messages
DSTOP
DSU 57.6 Async rate adaptation protocol.
DSU57.6
ADTRAN DSU asynchronous protocol.
FALLBACK
FALLBACK rate adaptation protocol.
SAP
Simple Adtran Protocol.
TLINK
TLINK rate adaptation protocol.
V120
V.120 rate adaptation protocol.
V110
V.110 rate adaptation protocol.
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