VTech Contemporary Series A2100 Master User Manual page 47

Installation
Analog corded/cordless 1-line - CTM-A2510
Handset registration
When the telephone base is idle, press 123 on the telephone base and then press HOLD. The MESSAGE WAITING LED on the
base turns on for about 90 seconds. Press 123 on the cordless handset and then press HOLD. The MESSAGE WAITING LED
on the handset turns on for 90 seconds. When the registration process completes, you hear 3 rising beeps as confirmation. When
the telephone base has already registered 4 cordless handsets, one of the registered cordless handsets must be deregistered or
registered to another telephone base before adding a new cordless handset.
Handset deregistration
When a registered cordless handset is idle, press *331734# and then press HOLD. You hear 3 rising beeps as confirmation when
the deregistration process completes.
Register a handset to another telephone base
Any CTM-A2510 handset can register to any CTM-A2510 telephone base. Deregister the registered cordless handset from its base
(see Handset deregistration above) and then register it to a new telephone base (see Handset registration above).
Handset battery charging
The battery must be fully charged before using the cordless handset for the first time. The CHARGE LED turns on when the
cordless handset is charging on the charging base or charging stand. The battery is fully charged after 16 hours of continuous
charging. For best performance, keep the cordless handset in the charging base or charging stand when not in use.
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