Multi-Tech Systems GPRS (MTMMC-G) 사용자 설명서
Chapter 12 – V.24 and V.25 Commands
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I)
105
Display Configuration &V
Description:
This command is used to display the modem configuration.
Values:
<n>
0 Displays the modem configuration in RAM. Default value if no parameter provided.
1 Displays the modem configuration in EEPROM.
2 Displays the modem factory configuration.
1 Displays the modem configuration in EEPROM.
2 Displays the modem factory configuration.
Syntax:
Command syntax: AT&V<n>
The parameters displayed are the following:
Q: val 1, V: val 2, S0: val 3, S2: val 4, S3: val 5, S4: val 6, S5: val 7,
+CR: val 8, +CRC: val 9, +CMEE: val 10, +CBST: val 11,
+SPEAKER: val 12, +ECHO: val 13, &C: val 14, &D: val 15, %C: val 16,
+IPR: val 17, +ICF: val 18, +IFC: val 19
The parameters displayed are the following:
Q: val 1, V: val 2, S0: val 3, S2: val 4, S3: val 5, S4: val 6, S5: val 7,
+CR: val 8, +CRC: val 9, +CMEE: val 10, +CBST: val 11,
+SPEAKER: val 12, +ECHO: val 13, &C: val 14, &D: val 15, %C: val 16,
+IPR: val 17, +ICF: val 18, +IFC: val 19
Command
Possible responses
AT&V
Note: Display active
parameters in RAM
Note: Display active
parameters in RAM
Q:0 V:1 S0:000 S2:043 S3:013 S4:010 S5:008
+CR:0 +CRC:0 +CMEE:0 +CBST:0,0,1
+SPEAKER:0 +ECHO:0,0 &C:1 &D:2 %C:0
+IPR:9600 +ICF:3,4 +IFC:2,2
OK
Note: Done
For Echo the first value corresponds to Echo cancellation 1.
+CR:0 +CRC:0 +CMEE:0 +CBST:0,0,1
+SPEAKER:0 +ECHO:0,0 &C:1 &D:2 %C:0
+IPR:9600 +ICF:3,4 +IFC:2,2
OK
Note: Done
For Echo the first value corresponds to Echo cancellation 1.
Request Identification Information I
Description:
This command causes the product to transmit one or more lines of specific information text.
Values: <n>
0 Displays manufacturer followed by model identification. Equivalent to +CGMI and +CGMM.
3 Displays revision identification. Equivalent to +CGMR.
4 Displays modem configuration in RAM. Equivalent to &V0.
5 Displays modem configuration in EEPROM. Equivalent to &V1.
6 Displays modem data features. Lists the supported data rates, data modes, and fax classes.
7 Displays modem voice features.
3 Displays revision identification. Equivalent to +CGMR.
4 Displays modem configuration in RAM. Equivalent to &V0.
5 Displays modem configuration in EEPROM. Equivalent to &V1.
6 Displays modem data features. Lists the supported data rates, data modes, and fax classes.
7 Displays modem voice features.
Other values: OK string will be sent back.
Syntax:
Command syntax: ATI<n>
Command
Possible responses
ATI0
Note: Manufacturer and model
identifications
Note: Manufacturer and model
identifications
WAVECOM MODEM
900P
OK
Note: GSM 900 MHz primary band
900P
OK
Note: GSM 900 MHz primary band
ATI3
Note: Revision identification
Note: Revision identification
657_09gg.Q2406B 2015268 100506 17:01
OK
Note: Software release 6.57, generated on the 5th of October
2006
OK
Note: Software release 6.57, generated on the 5th of October
2006
ATI6
Note: Modem data features
Note: Modem data features
DATA RATES:
AUTOBAUD,300,1200,1200/75,2400,4800,9600,14400
DATA MODES: T/NT,ASYNCHRONOUS
OK
Note: Done
AUTOBAUD,300,1200,1200/75,2400,4800,9600,14400
DATA MODES: T/NT,ASYNCHRONOUS
OK
Note: Done
ATI7
Note: Modem voice features
Note: Modem voice features
SPEECH CODINGS: FR,EFR,HR,AMR
OK
Note: Done
OK
Note: Done