VTech CTM-S242SD Manual - Manual (Page 58)

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Installation
SIP contemporary cordless 1-line/2-line accessory handset - C4400/C4500/
CTM-S241HS/CTM-S242HS
Handset registration
Place the cordless handset on the telephone base cradle. Handset registration happens automatically the first time a cordless
handset is placed on the telephone base. When the registration process completes, the MESSAGE WAITING LED flashes once and
you hear 3 rising beeps as confirmation. Each telephone base accommodates up to 4 cordless handsets. When you already have
4 registered handsets, you can replace one of them by a new handset if any one of the 4 registered handsets is disconnected from
the base. For example, it is out of range, or its battery is removed or depleted. The previous registered handset is then deregistered
from the telephone base.
Register a handset to another telephone base
Any contemporary cordless 1-line handset can register to any contemporary cordless 1-line telephone base. Any contemporary
cordless 2-line handset can register to any contemporary cordless 2-line telephone base.
When a registered cordless handset is idle, place it on another telephone base. This cordless handset automatically registers to the
new telephone base.
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 telephone base, 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 telephone base, charging base or charging stand
when not in use.