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Chapter 7 – Result Codes
Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) 48
Terse
Verbose Description
64 CONNECT 28800 Connected at 28800 bps and line speed reporting enabled. Modem connects to the line;
either the line speed is 28800 bps and DCE speed reporting is enabled, or the DTE
speed is 28800 bps and DTE speed reporting is enabled.
66 +DR: ALT Connected in MNP Class 5 data compression. Modem connects to the line in MNP
Class 5 and +DR: message reporting is enabled. (See S95, Wn, Xn.)
67 +DR: V.42B Connected in V.42 bis data compression. Modem connects to the line in V.42 bis and
120 +DR: message reporting is enabled. (See S95, Wn, Xn.)
69 +DR: NONE Connected without data compression. Modem connects to the line without data
compression and +DR: message reporting is enabled. (See S95, Wn, Xn.)
70 +ER: NONE Connected without any protocol. Modem connects to the line without any form of error
correction and +ER: message reporting is enabled. (See S95, Wn, Xn.)
77 +ER: LAPM Connected in V.42 LAPM mode. Modem connects to the line in V.42 LAPM error
correction mode. +ER: message reporting is enabled. (See S95, Wn, Xn.)
78 +MRR: 31200 Connected at 31200 bps; carrier reporting enabled. Modem connects to the line
at31200 bps and carrier reporting is enabled. (See S95, Xn.)
79 +MRR: 33600 Connected at 33600 bps; carrier reporting enabled. Modem connects to the line
at33600 bps and carrier reporting is enabled. (See S95, Xn.)
80 +ER: ALT Connected in MNP mode. Sent when the modem connects in MNP mode of error
correction. +ER: message reporting has been enabled. (See S95, Wn, Xn.)
83 LINE-IN-USE Line in use. Modem attempted to go off-hook when an extension was already occupying
the line.
84 CONNECT 33600 Connected at 33600 bps. Modem connects to the line, the DTE speed is 33600 bps and
the DTE speed reporting is enabled.
91 CONNECT 31200 Connected at 31200 bps. Modem connects to the line DTE speed of 31200 bps and the
modem is to report the DTE speed upon connecting.
134 +MCR: B103 Connected with Bell 103 modulation. Modem connects to the line with Bell 103
modulation and modulation reporting is enabled. (See +MR, S95, Xn.)
135 +MCR: B212 Connected with Bell 212 modulation. Modem connects to the line with Bell 212
modulation and modulation reporting is enabled. (See +MR, S95, Xn.)
136 +MCR: V21 Connected with ITU-T V.21. Modem connects to the line with ITU-T V.21 modulation
and modulation reporting is enabled. (See +MR, S95, Xn.)
137 +MCR: V22 Connected with ITU-T V.22. Modem connects to the line with ITU-T V.22 modulation
and modulation reporting is enabled. (See +MR, S95, Xn.)
138 +MCR: V22B Connected with ITU-T V.22B. Modem connects to the line with ITU-T V.22B modulation
and modulation reporting is enabled. (See +MR, S95, Xn.)
139 +MCR: V23 Connected with ITU-T V.23. Modem connects to the line with ITU-T V.23 modulation
and modulation reporting is enabled. (See +MR, S95, Xn.)
140 +MCR: V32 Connected with ITU-T V.32. Modem connects to the line with ITU-T V.32 modulation
and modulation reporting is enabled. (See +MR, S95, Xn.)
141 +MCR: V32B Connected with ITU-T V.32B. Modem connects to the line with ITU-T V.32B modulation
and modulation reporting is enabled. (See +MR, S95, Xn.)
142 +MCR: V34 Connected with ITU-T V.34. Modem connects to the line with ITU-T V.34 modulation
and modulation reporting is enabled. (See +MR, S95, Xn.)
145 +MCR: V90 Connected with ITU-T V.90. Modem connects to the line with ITU-T V.90 modulation
and modulation reporting is enabled. (See +MR, S95, Xn.)
150 +MRR: 32000 Connected at 32000 bps. Modem connects to the line at 32000 bps and carrier
reporting is enabled. (See S95, Xn.)
151 +MRR: 34000 Connected at 34000 bps. Modem connects to the line at 34000 bps and carrier
reporting is enabled. (See S95, Xn.)
152 +MRR: 36000 Connected at 36000 bps. Modem connects to the line at 36000 bps and carrier
reporting is enabled. (See S95, Xn.)
153 +MRR: 38000 Connected at 38000 bps. Modem connects to the line at 38000 bps and carrier
reporting is enabled. (See S95, Xn.)
154 +MRR: 40000 Connected at 40000 bps. Modem connects to the line at 40000 bps and carrier
reporting is enabled. (See S95, Xn.)
155 +MRR: 42000 Connected at 42000 bps. Modem connects to the line at 42000 bps and carrier
reporting is enabled. (See S95, Xn.)
156 +MRR: 44000 Connected at 44000 bps. Modem connects to the line at 44000 bps and carrier
reporting is enabled. (See S95, Xn.)
157 +MRR: 46000 Connected at 46000 bps. Modem connects to the line at 46000 bps and carrier
reporting is enabled. (See S95, Xn.)
158 +MRR: 48000 Connected at 48000 bps. Modem connects to the line at 48000 bps and carrier
reporting is enabled. (See S95, Xn.)
159 +MRR: 50000 Connected at 50000 bps. Modem connects to the line at 50000 bps and carrier
reporting is enabled. (See S95, Xn.)