Plantronics MDA220 - Troubleshooting No Dial Tone

1 If you do not hear a dial tone, raise the lifter height switch to the next highest position.
2 Repeat steps 3 through 6 above as necessary until you hear a dial tone.
3 When you hear a dial tone, secure the lifter as described in steps 7 through 9.
Additional parts (If required)
Use the extender arm when the headset lifter needs additional stability lifting and returning
headset to cradle.
Extender Arm
1 Slide extender arm onto lifter.
2 Stabilizers can be shifted left and right. Position stabilizers on outsides of handset to gently grip
the phone.
1
2
2
Ringer Microphone
Use ringer microphone only when the telephone speaker is not located directly under the handset,
1 Remove cover from ringer microphone jack on the back of lifter .
2 Connect ringer to microphone plug.
3 Place ringer microphone over phone speaker. Remove adhesive tape and attach.
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2
3
For Nortel Phones Only
If You Do Not Hear a Dial
Tone
11