AT Commands For AUDIO
| No | Command | Description |
| L2101 | AT+CREC | Record wav audio file |
| L2102 | AT+CRECAMR | Record amr audio file |
| L2103 | AT+CCMXPLAYWAV | Play wav audio file |
| L2104 | AT+CCMXSTOPWAV | Stop playing wav audio file |
| L2105 | AT+CCMXPLAY | Play audio file |
| L2106 | AT+CCMXSTOP | Stop playing audio file |
L2101 AT+CREC Record Wav Audio File
| R) AT+CREC? |
+ CREC: <status> OK |
| W) AT+CREC=<record_path>,<filename> |
+CREC:1 OK or ERROR |
| W) AT+CREC=<mode> |
+CREC:0 OK +RECSTATE: crec stop |
| <status> |
Indicate whether the recording is going on. 0 free, not recording 1 busy, recording |
| <record_path> |
Source of recorded sound 1 local path 2 remote path 3 local and remote sound mixing |
| <filename> | The location and name of wav file. |
| <mode> |
Stop recording wav audio file 0 stop |
NOTE
<filename>,The file should be put into the “E:/”. Maximum filename length is 240 bytes. (including “”)<record_path>,
Only during the call, <record_path> can be set to 2 or 3
| Example |
AT+CREC=1,”e:/rec.wav” +CREC:1 OK AT+CREC=0 +CREC:0 OK +RECSTATE: crec stop |
L2102 AT+CRECAMR Record Amr Audio File
| R) AT+CRECAMR? |
+ CRECAMR: <status> OK |
| W) AT+CRECAMR=<record_path>,<filename> |
+CRECAMR:<status> OK or ERROR |
| W) AT+CRECAMR=<mode> |
+CRECAMR:<status> OK +RECSTATE: crecamr stop |
| <status> |
Indicate whether the recording is going on. 0 free, not recording 1 busy, recording |
| <record_path> |
Source of recorded sound 1 local path 2 remote path |
| <filename> | The location and name of amr file. |
| <mode> |
Stop recording wav audio file 0 stop |
NOTE
<filename>,The file should be put into the “E:/”. Maximum filename length is 240 bytes. (including “”)<record_path>,
Only during the call, <record_path> can be set to 2
| Example |
AT+CRECAMR=1,”e:/rec.amr” +CRECAMR:1 OK AT+CRECAMR=0 +CRECAMR:0 OK +RECSTATE: crecamr stop |
L2103 AT+CCMXPLAYWAV Play Wav Audio File
| R) AT+CCMXPLAYWAV? |
+CCMXPLAYWAV:<play_path>,<repeat> OK |
| W) AT+CCMXPLAYWAV=<filename>,<play_path>[,<repeat>] |
+WAVSTATE: wav play OK +WAVSTATE: wav play stop or ERROR |
| <play_path> |
Play to local or to remote. 1 remote 2 local |
| <repeat> |
How much times can be played. Default 0 |
| <filename> | The location and name of wav file. |
NOTE
<filename>,The wav audio file should be located at “E:/”. Maximum filename length is 240 bytes. (including “”) <play_path>,
Only during the call, <play_path> can be set to 1 successfully.Only 8k 16bit wav audio can be played to remote successful at present.
<repeat>,This parameter is reserved, not used at present, you can input this parameter or not. (0–255)
| Example |
AT+CCMXPLAYWAV=? +CCMXPLAYWAV: (1-2),(0-255) OK
AT+CCMXPLAYWAV=”E:/rec.wav”,2 +WAVSTATE: wav play OK
+WAVSTATE: wav play stop |
L2104 AT+CCMXSTOPWAV Stop Playing Wav Audio File
| R) AT+CCMXSTOPWAV=? | OK |
| W) AT+CCMXSTOPWAV |
+CCMXSTOPWAV: OK +WAVSTATE: wav play stop |
| Example |
AT+CCMXSTOPWAV +CCMXSTOPWAV: OK +WAayVSTATE: wav pl stop |
L2105 AT+CCMXPLAY Play Audio File
| R) AT+CCMXPLAY? |
+CCMXPLAY:<play_path>,<repeat> OK |
| W) AT+CCMXPLAY=<filename> [,<play_path>][,<repeat>] |
+CCMXPLAY: OK +AUDIOSTATE: audio play +AUDIOSTATE: audio play stop or ERROR or +CCMXPLAY: OK +AUDIOSTATE: audio play +AUDIOSTATE: audio play error |
| <play_path> |
Play to local or to remote. Default 0 0 local 1 remote |
| <repeat> |
How much times can be played. Default 0 |
| <filename> | The location and name of wav file. |
NOTE
<filename>,The wav audio file should be located at “E:/”. Maximum filename length is 240 bytes. (including “”).
Support audio file format mp3, aac, amr, wav. <play_path>,
Only during the call, <play_path> can be set to 1 successfully.Only 8k 16bit wav audio and amr audio can be played to remote at present.
<repeat>,This parameter is reserved, not used at present, you can input this parameter or not. (0–255)
| Example |
AT+CCMXPLAY=? +CCMXPLAY: (0-1),(0-255) OK AT+CCMXPLAY=”E:/rec.mp3”,0,0 +CCMXPLAY: OK +AUDIOSTATE: audio play +AUDIOSTATE: audio play stop |
L2106 AT+CCMXSTOP Stop Playing Audio File
| R) AT+CCMXSTOP=? | OK |
| W) AT+CCMXSTOP |
+CCMXSTOP: OK +AUDIOSTATE: audio play stop |
| Example |
AT+CCMXSTOP +CCMXSTOP: OK +AUDIOSTATE: audio play stop |
WiFi IoT Module
Bluetooth Module
5G/LTE/CAT-M1/NB-IoT
