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Volume adjustment
Press the Volume+/Volume- keys on the left side of the handset to adjust the volume.
Hold/Unhold
During a call, press the softkey "Hold” or “Unhold.”
Call Recording
During a call, press right softkey “Options” then select “Record.” The recorded file can be managed under
the web GUI-application-recording.
End the call
Press button to end the current call.
GDS Access Control
You can view the video from GDS door system and open the door.
The GDS door system functions need to be configured on the Web GUI
under Value-added Service->GDS settings.