Category:SIMCOM GSM AT
Template
- Make sure network register, net led blink every 3 seconds
| Excute | Feedback | Read | Feedback | Write | Feedback | Test | Feedback | Description |
|---|---|---|---|---|---|---|---|---|
| - | - | - | - | ATD+number; "ATD18576608994;" | OK | - | - | don't forget the ";" after AT commands |
| ATA | OK | - | - | - | - | - | - | answer the incoming phone call |
| ATH or AT+CHUP | OK | - | - | - | - | - | - | hang off the phone call |
| AT+COLP | +COLP:"10086",129,"","" | - | - | - | - | - | - | show up the calling number |
| AT+CLIP (AT+CLIP=1) | +CLIP:"15124532672",161,"",,"ailin",0， | - | - | - | - | - | - | Enable calling number display |
| AT+CSDVC | - | - | - | - | - | - | - | 1 = microphone output, 3 = speaker output |
| - | - | AT+CLVL=? | +CLVL: (0-5) //The volume is 0~5 adjustable | Set volume to 2: AT+CLVL=2 | - | - | - | Check volume range |
| - | - | - | - | - | - | - | - | - |
| - | - | - | - | - | - | - | - | - |
DTMF
- AT+CLDTMF=2,"1,2,3,4,5"
- AT+VTS=1 send DTMF voice, this is send "1" tone
| Excute | Feedback | Read | Feedback | Write | Feedback | Test | Feedback | Description |
|---|---|---|---|---|---|---|---|---|
| - | - | - | - | AT+VTS=* | - | - | - |
|
Phone Number Book
- List avaialble number book: AT+CPBS=?
- Choose sim book: AT+CPBS="SM"
- List number book range: AT+CPBR=?
- list number book contents: AT+CPBR=1,10
- write a contact into number book -> AT+CPBW="13800138000",,"China mobile"
- check if avaialble by: AT+CPBF="China mobile"
- Delete -> AT+CPBW=2
Audio parameter debugging
- AT+CACDBFN=?
- +CACDBFN: (Handset_cal.acdb,Handset_tianmai.acdb) // It is recommended to consider setting this parameter
- OK
A. The module is powered on during the initialization phase. Before making a call, add the following
- AT^PWRCTL=0,1,3 // Mainly improve TDD noise effect
- OK
B. Module establishes a voice call
- VOICE CALL: BEGIN // Module call setup is performed to improve call performance
- AT+CECM=1 //Echo suppression processing
- OK
- AT+CECH=0x500 //Improve the volume effect of the mobile phone
- OK
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