RCA 25205 - Manual (Page 76)

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Ringer Volume
While the phone is in idle mode, press the Vol + or Vol - button to enter the ringer
volume menu. You may choose from Level 1 to Level 6, or OFF.
1. Press the 3 and 4 button to select L1 or L2.
2. Use the Vol + or Vol - button to adjust the ring volume. The phone generates a
2-second long sample ring at the select setting for loudness verification.
Speakerphone, Handset, and Headset Volume
While using the phone press the Vol + or Vol - buttons to set the volume to a comfortable
level. The phone stores the setting when you release the button.
Conference
This feature lets you connect two calls to make a conference call.
To connect with two calls:
1. Make a call and stay in talk mode.
2. Press HOLD.
3. Press another line button to answer or make a second call.
4. When the second call connects, press Confer.
To disconnect one line, press the line button for the party you want to continue talking
with and the other party is automatically disconnected.
To disconnect both lines, hang up the handset or press SPEAKER if you are using the
speakerphone or press HEADSET if you are using the headset.
To keep both parties on-line but talk to one party:
1. Press the HOLD button to place both lines on hold.
2. To talk with one caller, press the corresponding line button. The other line remains on
hold.
3. To resume the conference call with both lines, press Confer.
Telephone Operation