Multi-Tech Systems MMCModem GPRS (MTMMC-G) - Manual (Page 29)

Chapter 5 – Call Control Commands
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 29
Syntax: Command Syntax:
For Algold=1:
AT+ECHO=[,[,,,,]]
For Algold=6:
AT+ECHO=[,[,,,,1>,,,,,m1>,,,]]
Response Syntax:
For Algold=1:
ECHO: ,,,,,
For Algold=6:
ECHO: ,,,,,,
,,,,>,,,,
Command Possible responses
AT+CMEE=1
Note: Enables the use of result code OK
AT+SPEAKER?
+ SPEAKER: 0
OK
Note: Speaker ONE and Micro ONE are active
AT+SIDET=0
Note: Deactivate the Sidetone OK
AT+SIDET? +SIDET: 0,0
AT+ECHO?
Note: Read current settings +ECHO: 0,1,0,6,10,7
OK
AT+ECHO=1,1,0,6,10,7
Note: Active Echo cancellation 1 for Mic/Spk one. OK
AT+ECHO?
Note: Read current settings +ECHO: 1,1,0,3,10,7
OK
AT+ECHO=1,6,30,8000,256
Note: Activate the Echo cancellation 6 +CME ERROR: 519
Note: The new algorithm will be activated after a
reset of the product
AT+ECHO?
Note: Read the Echo cancellation settings +ECHO: 6,30,8000,256
OK
AT+CFUN=1
Note: Reset the product OK
AT+ECHO?
Note: Read current settings +ECHO: 1,6,30,8000,256
OK
AT+ECHO=0
Note: Deactivate the Echo Cancellation OK
AT+ECHO=0
Note: Deactivate the Echo Cancellation OK
AT+ECHO=1,6,30,50,256,200,
550,15,32767,27484,38697,7311,2
Note: Activate the Echo Cancellation 6 +CME ERROR:519
Note: The new algorithm will be activated after a
reset of the product
AT+ECHO?
Note: Read the Echo Cancellation settings +ECHO: 6,30,50,256,200,550,15,32767,32767,
27484,38697,7311,2,65535
OK
AT+CFUN=1
Note: Reset the product OK
AT+ECHO?
Note: Read the Echo Cancellation settings +ECHO: 1,6,30,50,256,200,550,15,32767,32767,
27484,38697,7311,2,65535
OK