Volume Adjust; Speakerphone Mode; Mute; Do Not Disturb - RCA 25420 User Manual

Basic Operation
4. Press the Conf button.
5. You will now be connected to both parties.
NOTE: If you have more than one line (including intercom call) on
you want to conference. Then, you can select another party when you have pressed the
Conf button.
To disconnect one party:
Select the line (by pressing the Line button and then together with the line number) for
the person you want to continue speaking with, and the other party will automatically
disconnected.
To disconnect both parties:
Hang up the handset by pressing the End button.
from each party individually.

Volume Adjust

Adjust the receiver volume by pressing the VOL (  or ) buttons when you are in talk
the receiver volume by one level.

Speakerphone Mode

1. During a call, press the Talk button to change to speakerphone mode.
2. Press Talk again to change it back to handset mode.

Mute

on the other end of the line cannot hear you, but you can still hear them.
1. Press Mute to activate the mute feature. The mute icon turns on.
NOTE: Switching from speakerphone to handset doesn't cancel mute.

Do Not Disturb

This feature is set at individual telephones to disable (silence) an incoming ring
signal,intercom ring, or page. When there is an incoming call or an intercom call, the
status indicators function as normal but the phone will not ring.
24
 or ) buttons adjusts