B1 And B2 Bearer Channel Status Messages - ADTRAN Express XL User Manual

Register SPID #1
The Express XL/XLT's ISDN layer 1 and 2 is up and is now registering SPID 2
with the ISDN network.
RINGING
An incoming call is ringing.

B1 and B2 Bearer Channel Status Messages

56K
Connected at 56K call type.
64K
Connected at 64K call type.
Audio
Connected at audio call type.
Dialing
Dialing out.
Holding
Connection is on hold.
Idle
No call up.
Speech
Connected at speech call type.
Release
Call being hung up.
Retriv
Held call being retrieved.
Ringing
Incoming call.
61200070L1-1
Appendix A: Loop Status Messages
Express XL/XLT User Manual 119