Grandstream Networks 29578 사용자 설명서

1

1.  When the phone rings, press the speaker button to 

answer a call.

2.  When finished, press the speaker button to hang up.
You may switch between the speakerphone and the handset 

during the dialing process or anytime during a conversation. 
Speakerphone to Handset - Pick up the handset to disable 

the speakerphone. The speakerphone indicator turns off.
Handset to Speakerphone - Press the speaker button, and 

then hang up the handset. The speakerphone indicator turns 

on and the handset is disabled.

You can control the volume of both the handset receiver and 

the speakerphone.
While using the handset or speakerphone, you may adjust 

the volume to the desired listening level by using the volume 

(p 

or

 q) 

buttons. Handset volume has 4 levels for adjustment 

and Speaker volume has 8 levels.

You may press the amplify button to temporarily boost the 

volume of the handset receiver during a call. To return to 

normal levels, press the button again. Volume levels  will also 

return to normal when handset is replaced on base after call.