LTE Standard Module Series Parameter Integer type. Loudspeaker volume level with manufacturer specific range (Smallest value represents the lowest sound level). Range: 0–5. Default value: 3. Error codes. For more details, see Chapter 3 . 2.3.2. AT+QAUDLOOP Control Audio Loop Test This command enables/disables audio loop test. Parameter Integer type. Enable/disable audio loop test. 0 Disable 1 Enable 2.3.3. AT+QAUDRD Record Audio File This command records the uplink or downlink speech during a voice call or records sound from local microphone in idle state and saves it to files. EC200U&EG915U_Series_Audio_Application_Note 9 / 25 AT+QAUDLOOP Control Audio Loop Test Test Command AT+QAUDLOOP=?
Response +QAUDLOOP: (list of supported s) OK Read Command AT+QAUDLOOP? Response +QAUDLOOP: OK Write Command AT+QAUDLOOP= Response OK Or ERROR Maximum Response Time 300 ms Characteristics The command takes effect immediately. The configuration will not be saved. AT+QAUDRD Record Audio File Test Command AT+QAUDRD=? Response +QAUDRD: (list of supported of s), ,(list _ of supported ),(list of supported s)