Select the country dial tone. Default is United States.
The ring volume default is level 3, the range is 0~9.
The handset volume default is level 5, the range is 1~9.
The speaker volume default is level 5, the range is 1~9.
The headset volume default is level 3, the range is 1~9.
The handset MIC volume default is level 3, the range is 1~7.
The speaker MIC volume default is level 3, the range is 1~7
The headset MIC volume default is level 3, the range is 1~7
Select the ring type. Default is Ring 1.
Please upload a ringtone with G711A audio coding, Maximum 10 rings
and the total size must be less than 150k.