ADTRAN Express 3000 SP User Manual page 96

Appendix B. Status Buffer Messages
INVALID_ELEM_CONTENTS
Call control error.
INVALID_MSG_UNSPEC
Invalid message: protocol error.
INVALID_NUMBER_FORMAT
The dialed number has an invalid format.
L1 not up
The network interface is not active.
L2 not up
The data link layer interface is not active.
L3 not up
The call control interface is not active.
L2 #2 not up
The data link layer interface for a second call (BONDING) is
not active.
L3 #2 not up
The call control layer interface for a second call (BONDING)
is not active.
LDN TOO LONG
The local directory number entered has too many digits.
Login failed
Unable to connect to remote unit on remote configuration at-
tempt.
MANDATORY_IE_LEN_ERR
Mandatory information element length error.
MANDATORY_IE_MISSING
Mandatory information element missing.
MULTILINK PPP UP
Unit connected with Multilink PPP.
B-6 Express 3000 SP User Manual 61203153L3-20