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Making Calls with the Speakerphone
1. Press the Speaker button and the phone automatically selects the priority line. If the
priority line is occupied, it selects an open line.
OR
Press a Line button to select a line.
2. Wait for a dial tone then dial a phone number.
3. Press Speaker button when finished.
NOTE: Only one-way conversation is possible in speakerphone mode. When you are speaking,
you are transmitting. When you are listening, you are receiving. You can’t do both at
the same time. The phone will automatically switch between transmitting and receiving
depending on the level of the voice or the room noise picked up by the speakerphone mic.
NOTE: If a line goes off-hook, the call timer counts time until all the lines go on hook. The
timer serves for 4 lines.
Making Calls with the Optional Headset
1. Connect the headset plug into the Headset jack on the left side of the base.
2. Adjust the headset to rest comfortably on top of your head and over your ear.
3. Move the microphone to approximately 2 to 3 inches from your mouth.
4. Press the Headset button and the phone automatically selects the priority line. If the
priority line is occupied, it selects an open line.
5. Wait for a dial tone, then dial a phone number.
6. Press Headset when finished.
CAUTION: Use only the Thomson Inc. 5-2425 headset that is compatible with this unit.
NOTE: If the headset is not connected (or if not completely inserted into headset jack), an
error tone is heard when the Headset button is pressed and the display will show Error for
several seconds.
Pre-dialing
1. With the phone idle and the handset on the cradle, manually enter the telephone
number. The telephone number shows in the display.
2. Press the Dial or Speaker button, or lift the handset to take a line, and the
telephone number is automatically dialed.
Basic Operation
