Appendix D
Loop Status Messages
This appendix lists the status line messages and their definitions. Messages shown entirely in capital letters are generated by the ISDN network. Messages with lower case letters are generated by the Express XRT.
AutoSpid X
The SPID is being attempted by the AutoSpid determination. X starts at 0 and counts up for each SPID tried.
Call Connect B1
Bearer channel 1 is connected and is active.
Call Connect B2
Bearer channel 2 is connected and is active.
Call Connect B1/B2
Bearer channels 1 and 2 are active.
Deactivated
No signal (INFO0) between Express XRT and NT1.
Disconnected
Layer 1 is up (INFO4 received) but no layer 2 or 3 activity. This is the normal state of a EuroISDN switch if no call is active and the switch has not dropped layer 1 (physical layer).
Disconnecting
The current phone call is being disconnected (hung up).
Getting TEI #1
The Express XRT is receiving its first TEI from the network.
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