ADTRAN ISU 2X64 user manual Phone number dialed does not exist

Appendix C: Status Buffer Messages

TXINIT expired

Bonding timer TXINIT expired, called non-BONDING equipment or B channel not error free.

UNASSIGNED_NUMBER

The phone number dialed does not exist.

Unknown AT & cmd

User issued an unknown AT command.

UNSPECIFIED_CAUSE

Received a cause message from the network that is not under- stood.

Unsupported baud

The ISU 2x64 does not support the negotiated baud rate.

USER_BUSY

The dialed number is busy.

V120 timeout

The far end unit is not set up for V.120 or B channel not error free.

V120 connected

The V.120 rate adaptation successfully connected to the far-end unit.

WRONG_MESSAGE

Call control error.

WRONG_MSG_FOR_STATE

Call control error.

108 ISU 2x64 Dual Port ISDN Service Unit User Manual 61200051L1-1D