Step Five: Add SIP account
Step Six
：
The Volume adjustment
Set the device volume size, as shown below, click [Apply].
Hands-free volume setting: normal call speaker volume size.
Broadcast output volume: server music broadcast speaker volume size.
Signal volume: call ringing, power back to ling, correct tone, error tone and other volume size.
Microphone Input Volume: microphone volume size
Step seven
：
Setting Speaker Settings mode
The Speaker Settings default mode is <panel speaker>
，
the output power is limited to 10W
。
If external loud speaker user for broadcasting, It can be adjusted to the <external speaker> mode
，
You need to choose the corresponding value of External Speaker Power according to the power
