MTCMR-G-F4 Multi-Tech Systems, MTCMR-G-F4 Datasheet - Page 30

• Manufacturer Part Number: MTCMR-G-F4
• Description: MODEM GPRS QUAD BAND GSM GLOBAL
• Manufacturer: Multi-Tech Systems
• Series: MultiModem® iCellr

Specifications of MTCMR-G-F4

• Frequency: 850MHz, 900MHz, 1.8GHz, 1.9GHz
• Applications: General Purpose
• Interface: RS-232, USB
• Function: Transceiver, Modem
• Data Rate - Maximum: 115.2kbps
• Modulation Or Protocol: GSM, GPRS
• Voltage - Supply: 9 V ~ 32 V
• Package / Case: Module with Case
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Power - Output: -
• Sensitivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 881-1151; MTCMR-G-F4

SideTone Modification +SIDET
Initialize Voice Parameters +VIP
Multi-Tech Systems, Inc. GPRS AT Commands Reference Guide (Document Number S000293J)
Description:
Values:
Syntax:
Description:
Values:
Syntax:
This command sets the level of audio feedback in the speaker (microphone feedback in the speaker).
<val1>
<val2> (default value 0 will be used if this parameter is not given)
AT+SIDET=<val1>,<val2>
This command allows factory settings for voice parameters to be restored from EEPROM.
These voice parameters include:
<n>
AT+VIP=<n>
Command
AT+SIDET=1,0
AT+SIDET?
Note: Current value
AT+SIDET=?
Command
AT+VIP?
AT+VIP=2
Note: Syntax error
AT+VIP=1
Note: Restore the factory settings from EEPROM
AT+VIP=1
Note: Restore the factory settings from EEPROM
with the current Echo cancellation algorithm
(different of the default algorithm).
AT+VIP=?
Note: List of supported <n>s
0
1
0
1
2
3
•
•
•
•
•
•
1
Other values are not supported.
SideTone is disabled
SideTone is enabled
0 db
- 6 db
- 12 db
- 18 db
Gain control (+VGR & +VGT commands)
Gain controller (+WSVG command)
Microphone mute control (+CMUT command)
Speaker & Microphone selection (+SPEAKER command)
Echo cancellation (+ECHO command)
Side tone modification (+SIDET command)
Restore all voice parameters.
Possible responses
OK
Note: Command valid
+SIDET: 1,0
OK
Note: Command valid
+SIDET: (0-1),(0-3)
OK
Possible responses
+VIP: 1
OK
+CME ERROR: 3
OK
Note: The command has been executed
CME ERROR: 519
Note: Reset the product to accept the new
algorithm.
+VIP: (1)
OK
Chapter 5 – Call Control Commands
30