ADTRAN XR Quick Start Manual page 84

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.
Phone # Req'd
Phone number required for AutoSpid determination.
PPP COMPRESSION UP
Unit connected with compression.
PPP LINK LOOPBACK
Network link is looped backed.
PPP Timeout
PPP negotiation failed.
PROTOCOL_ERROR
Call control error.
PUMPIO: dpump-quit
Rate adaption stopped due to DTE error.
Rcv Cause XXX
Undefined cause message received.
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 product.
RESOURCE_UNAVAIL
The requested resource is unavailable.
RESP_TO_STAT_ENQ
Response to status enquiry.
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Express XR/XRT Quick Start Guide 61200.153L1-1