VTech 15550 User Manual page 48

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1. Lift up the handset and enter the telephone number.
. Place the handset back onto the main base unit
within 30 seconds. The speakerphone will be turned
on automatically and call is made.
3. To end the call, press
Notes:
• If there is more than one handset registered to the
base, the handset on the main base unit should be
left as a power supply of the base and you can use
the other handset(s) to make calls like normal.
• The handset should always remain on the main
base unit for the entire length of the call.
To answer a call using Power Fail Back-Up mode
If there is only one handset registered to the base:
1. When the phone rings, keep the handset on the main
base unit and press
speakerphone will be turned on automatically and
call is made.
. To end the call, press
Notes:
• If there is more than one handset registered to the
base, the handset on the main base unit should be
left as a power supply of the base and you can use
the other handset(s) to receive calls like normal.
• The power supplying handset should always be placed
on the main base unit for the entire length of the call.
• The range of the base unit is limited during Power Fail
Back-Up mode. Keep the handset close to the base unit.
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or to answer the call. The
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