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Appendix C: Status Buffer Messages
NOT end2end ISDN
The path that the call was routed over is not ISDN from end-to-
end (warning only).
NUMBER_CHANGED
The number dialed has been changed.
OUTGOING_CALL_BARRED
The network will not allow the outgoing call to be placed.
PROTOCOL_ERROR
Call control error.
REQ_CHANNEL_NOT_AVAIL
The channel type requested is currently not available.
Remote not ISU
Bonding negotiation determined the far-end unit is not another
ISU. (Asynchronous rates can only be supported between two
ADTRAN ISUs when Rev. 0 Bonding Mode 1 is selected. Rev. 1
Bonding Mode 1 will interoperate with other vendor terminal
adapters in asynchronous DTE operation.)
RESP_TO_STAT_ENQ
Response to status inquiry.
Ring 1/2
An incoming call on either the first or second channel entered the
Ring state. The calling phone number is displayed if available.
S cmd not = or ?
User did not use proper syntax.
SAP idle timeout
Unit at far-end is not configured to use the SAP protocol.
SERVICE_NOT_AVAIL
The requested service is not available.
SOURCE NOT ISDN
The incoming calling party is not ISDN (warning only).
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ISU 2x64 Dual Port ISDN Service Unit User Manual
61200051L1-1D
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