ADTRAN ISU 128 - Manual (Page 117)

Appendix C. Status Buffer Messages
102 ISU 128 User Manual 61202.029L2-1
LDN TOO LONG
The entered local directory number has too many digits.
MANDATORY_IE_LEN_ERR
Mandatory information element length error.
MANDATORY_IE_MISSING
Mandatory information element missing.
Need 2 B chan
The DTE bit rate requires the BONDING protocol.
Need 64K call
The BONDING protocol requires the ISU 128 to be configured for a 64k data
call type.
Negotiation fail
The BONDING negotiation has failed.
NETWORK BUSY
The ISDN switch is busy and unable to process a call.
NETWORK_CONGESTION
The phone network is currently congested.
NETWORK_OUT_OF_ORDER
The phone network is out of order.
No 48K Support
The ISU 128 does not support 48 kbps TLINK. Local DTE setup error.
NO_CIRCUIT_AVAILABLE
The requested bearer channel is not available.
NO_CARRIER
The V.34 modem board did not detect a modem carrier at the far end.
NONEXISTENT_MSG
Nonexistent message was sent by the ISU 128.
No Sreg number
Attempt to access an S-register without specifying a specific S-register (exam-
ple: ATS=1).