ADTRAN 3000 - Manual (Page 128)

Appendix C. Loop Status Messages
C-2 Express 3000 User Manual 61203153L2-20
Register SPID #1
The Express 3000 is registering its first SPID with the network.
Register SPID #2
The Express 3000 is registering its second SPID with the net-
work.
Ringing
The phone number just dialed is ringing.
xxxxx nnnn
A rate adaption is running at the bit rate specified by nnnn.
xxxxx Quitting
A rate adaption protocol is turning off.
xxxxx Ready
A rate adaption protocol is ready.
xxxxx Setup
A rate adaption protocol is setting up.
YYYY
ISDN switch-type selected.
xxxxx can be any of the following:
Bonding
Bandwidth on demand industry users group protocol.
PPP
Point-to-point rate adaption protocol.
V120
V.120 rate adaption protocol.