Appendix B

Current 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 ISU 2x64.

AT&T-5ESS Ready

The ISU is connected to an AT&T-5ESS switch and is ready to place/receive calls.

Call Connect B1

Bearer channel 1 is connected and is active.

Call Connect B2

Bearer channel 2 is connected and is active.

CALL xxxxxxx

The ISU is calling phone number xxxxxxx.

DEACTIVATED

The network interface is not active.

DISCONNECTED

The network has activated layer 1 but layer 2 is inactive. To acti- vate the unit a setup message must be sent or received.

DISCONNECTING

The current phone call is being disconnected (hung up).

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ADTRAN ISU 2X64 user manual Appendix B Current Status Messages