Command

Description

Command

Description

A/

Repeat last command

&K

Flow control

A

Answer command

&M

Asynchronous communications mode

D

Dial command

&Q

Asynchronous communications mode

E

Echo command

&T

Local analog loopback test

H

Hook control

&V

View the active configuration

I

Request ID information

&W

Store current configuration

L

Monitor speaker volume

+IFC

DTE-Modem flow control

M

Monitor speaker mode

+IPR

Fixed DTE rate

N

Modulation handshake

+ES

Error control mode selection

O

Return to on-line data mode

+FIT

Inactivity timer

P

Select pulse dialing

+ER

Protocol result code

Q

Result code control

*B

View numbers in blacklist

T

Select tone dialing

+DS

Data compression control

V

DCE response format

%E

Automatic rate change

W

Connect response format

+MS

Modulation control

X

Extended response format

&D

Data terminal ready (DTR) behavior

Z

Reset and recall stored profile

&F

Local factory settings

&C

RLSD behavior

&G

V.22bis guard tone control

Command

Description

Command

Description

%TT

PTT test command

#UD

Unimodem diagnostic

#UG

Verbose diagnostic

&T

Analog loopback test

Register

Default Setting

Description

Register

Default Setting

Description

S0

0

Automatic answer ring number

S1

0

Ring counter

S2

43

AT escape character

S3

13

Command line termination character

S4

10

Response formatting character

S5

8

Command line editing character

S6

2

Wait before blind dialing, or after "W" modifier

S7

50

Connection completion time-out, or for dialtone after "W" modifier

S8

2

Comma dial modifier time

S10

20

Automatic disconnect delay

S11

95

DTMF tone duration

S12

50

Escape prompt delay

S29

Flash dial modifier time

S30

0

Inactivity timer

S46

Data compression control

S95

Result code messages control

Verbal

Numeric

Description

Verbal

Numeric

Description

OK

0

Command executed

CONNECT

1

Modem connected to line

RING

2

A ring signal has been detected

NO CARRIER

3

Modem lost or does not detect carrier signal

ERROR

4

Invalid command

CONNECT 1200

5

Connection at 1200 bit/s

NO DIALTONE

6

No dial tone detected

BUSY

7

Busy signal detected

NO ANSWER

8

Remote end never answered

CONNECT 2400

10

Connection at 2400 bit/s

CONNECT 4800

11

Connection at 4800 bit/s (DTE)

CONNECT 9600

12

Connection at 9600 bit/s (DTE)

CONNECT 7200

13

Connection at 7200 bit/s (DCE)

CONNECT 12000

14

Connection at 12000 bit/s (DCE)

CONNECT 14400

15

Connection at 14400 bit/s (DCE)

CONNECT 19200

16

Connection at 19200 bit/s (DCE or DTE)

CONNECT 38400

17

Connection at 16800 bit/s (DTE)

CONNECT 57600

18

Connection at 57600 bit/s (DTE)

CONNECT 115200

19

Connection at 21600 bit/s  (DTE)

CONNECT 75TX/1200RX

22

V.23 originate connection

CONNECT 1200TX/75RX

23

V.23 answer connection

DELAYED

24

Delayed due to regional blacklisting

BLACKLISTED

32

Number is blacklisted

FAX

33

Fax mode

DATE

35

Date connection established

+MRR:300

40

Connection at 300 bps, carrier reporting

+MRR:1200/75

44

V.23 backward channel

+MRR:75/1200

45

V.23 forward channel

+MRR:1200

46

Connection at 1200 bps, carrier reporting

+MRR:2400

47

Connection at 2400 bps, carrier reporting

+MRR:4800

48

Connection at 4800 bps,carrier reporting

+MRR:7200

49

Connection at 7200 bps,carrier reporting

+MRR:9600

50

Connection at 9600 bps,carrier reporting

+MRR:12000

51

Connection at 12000 bps,carrier reporting

+MRR:14400

52

Connection at 14400 bps,carrier reporting

+MRR:16800

53

Connection at 16800 bps,carrier reporting

+MRR:19200

54

Connection at 19200 bps,carrier reporting

+MRR:21600

55

Connection at 21600 bps,carrier reporting

+MRR:24000

56

Connection at 24000 bps,carrier reporting

+MRR:26400

57

Connection at 26400 bps,carrier reporting

+MRR:28800

58

Connection at 28800 bps,carrier reporting

CONNECT 16800

59

Connection at 16800 bit/s (DTE)

CONNECT 21600

61

Connection at 21600 bit/s (DTE)

CONNECT 24000

62

Connection at 24000 bit/s (DTE)

CONNECT 26400

63

Connection at 26400 bit/s (DTE)

CONNECT 28800

64

Connection at 28800 bit/s (DTE or DCE)

+DR:ALT

66

MNP Class 5

+DR:V.42B

67

V.42 bis

+DR:NONE

69

No data compression

+ER: NONE

70

no error correction

+ER:LAPM

77

V.42 LAPM error correction

+MRR:31200

78

Connection at 31200 bit/s, carrier reporting

+MRR: 33600

79

Connection at 33600 bit/s, carrier reporting

+ER: ALT

80

MNP error correction

LINE IN USE

83

modem attempted off hook while line already in use

CONNECT 33600

84

Connection at 33600 bit/s (DTE)

CONNECT 31200

91

Connection at 31200 bit/s (DTE)

+MCR:B103

134

Bell 103 Connection, modulation reporting

+MCR:B212

135

Bell 212 connection, modulation reporting

+MCR:V21

136

V.21 connection, modulation reporting

+MCR:V22

137

V.22 connection, modulation reporting

+MCR:V22B

138

V.22B connection, modulation reporting

+MCR:V23

139

V.23 connection, modulation reporting

+MCR:V32

140

V.32 connection, modulation reporting

+MCR:V32B

141

V.32B connection, modulation reporting

+MCR:V34

142

V.34 connection, modulation reporting

+MCR:K56

144

K56Flex connection, modulation reporting

+MCR:V90

145

V.90 connection, modulation reporting

+MRR:32000

150

Connection at 32000 bps ,carrier reporting

+MRR:34000

151

Connection at 34000 bps ,carrier reporting

+MRR:36000

152

Connection at 36000 bps ,carrier reporting

+MRR:38000

153

Connection at 38000 bps, carrier reporting

+MRR:40000

154

Connection at 40000 bps ,carrier reporting

+MRR:42000

155

Connection at 42000 bps, carrier reporting

+MRR:44000

156

Connection at 44000 bps ,carrier reporting

+MRR:46000

157

Connection at 46000 bps, carrier reporting

+MRR:48000

158

Connection at 48000 bps, carrier reporting

+MRR:50000

159

Connection at 50000 bps, carrier reporting

+MRR:52000

160

Connection at 52000 bps, carrier reporting

+MRR:54000

161

Connection at 54000 bps, carrier reporting

+MRR:56000

162

Connection at 56000 bps, carrier reporting

CONNECT 32000

165

Connection at 32000 bps, (DCE)

CONNECT 34000

166

Connection at 34000 bps , (DCE)

CONNECT 36000

167

Connection at36000 bps , (DCE)

CONNECT 38000

168

Connection at 38000 bps , (DCE)

CONNECT 40000

169

Connection at 40000 bps , (DCE)

CONNECT 42000

170

Connection at 42000 bps , (DCE)

CONNECT 44000

171

Connection at 44000 bps , (DCE)

CONNECT 46000

172

Connection at 46000 bps , (DCE)

CONNECT 48000

173

Connection at 48000 bps , (DCE)

CONNECT 50000

174

Connection at 50000 bps , (DCE)

CONNECT 52000

175

Connection at 52000 bps , (DCE)

CONNECT 54000

176

Connection at 54000 bps , (DCE)

CONNECT 56000

177

Connection at 56000 bps , (DCE)

CONNECT 230400

178

Connection at 230400 bps , (DTE)

CONNECT 28000

180

Connection at 28000 bps , (DCE)

CONNECT 29333

181

Connection at 29300 bps , (DCE)

CONNECT 30667

182

Connection at 30667 bps , (DCE)

CONNECT 33333

183

Connection at 33333 bps , (DCE)

CONNECT 34667

184

Connection at 34667 bps , (DCE)

CONNECT 37333

185

Connection at 37333 bps , (DCE)

CONNECT 38667

186

Connection at 38667 bps , (DCE)

CONNECT 41333

187

Connection at 41333 bps , (DCE)

CONNECT 42667

188

Connection at 42667 bps , (DCE)

CONNECT 45333

189

Connection at 45333 bps , (DCE)

CONNECT 46667

190

Connection at 46667 bps , (DCE)

CONNECT 49333

191

Connection at 49333 bps , (DCE)

CONNECT 50667

192

Connection at 50667 bps , (DCE)

CONNECT 53333

193

Connection at 53333 bps , (DCE)

CONNECT 54667

194

Connection at 54667 bps , (DCE)

+MRR:28000

195

Connection at 28000 bps ,carrier reporting

+MRR:29333

196

Connection at 29333 bps ,carrier reporting

+MRR:30667

197

Connection at 30667 bps ,carrier reporting

+MRR:33333

198

Connection at 33333 bps ,carrier reporting

+MRR:34667

199

Connection at 34667 bps ,carrier reporting

+MRR:37333

200

Connection at 37333 bps ,carrier reporting

+MRR:38667

201

Connection at 38667 bps ,carrier reporting

+MRR:41333

202

Connection at 41333 bps ,carrier reporting

+MRR:42667

203

Connection at 42667 bps ,carrier reporting

+MRR:45333

204

Connection at 45333 bps ,carrier reporting

+MRR:46667

205

Connection at 46667 bps ,carrier reporting

+MRR:49333

206

Connection at 49333 bps ,carrier reporting

+MRR:50667

207

Connection at 50667 bps ,carrier reporting

+MRR:53333

208

Connection at 53333 bps ,carrier reporting

+MRR:54667

209

Connection at 54667 bps ,carrier reporting

Command

Description

Command

Description

+FCLASS?

Service class indication

+FCLASS = ?

Service class capabilities

+FCLASS = n

Service class selection

+FTS = <n>

Stop transmission and pause

+FRS = <n>

Receive silence

+FTM = <m>

Transmit FAX data with <m> carrier

+FRM = <m>

Receive FAX data with <m> carrier

+FTH = <m>

Transmit HDLC data with <m> carrier

+FRH = <m>

Receive HDLC data with <m> carrier

+FTM = ?

Transmit FAX modulation

+FRM = ?

Receive FAX modulation

+FTH = ?

Transmit HDLC Data modulation

+FRH = ?

Receive HDLC Data modulation

+FMI?

Manufacturer Identification

+FMM?

Product Identification

+FMR?

Version/Revision Information

+FPR = <n>

Set DTE-DCE Fax port rate

+FPR = ?

Reports all fax port rate that DCE supports

+FPR?

Reports the current fax port rate of DTE-DCE

+FAR = <n>

Set DCE Adaptive reception mode

+FAR = ?

Display valid adaptive reception values that DCE supports

+FAR?

Display current set value of adaptive reception mode