VTech CTM-S242SD Manual - Manual (Page 45)

Installation
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Installation
Handset registration
An S2310/S2310-6VDC handset must be registered to an S2410/CTM-S2411 telephone base before use. An S2320/S2320-6VDC
handset must be registered to an S2420/CTM-S2421 telephone base before use.
To register an S2310/S2310-6VDC handset:
Place the corded handset on the
S2410/CTM-S2411 telephone base cradle. Handset registration happens automatically the first
time a handset is placed on the S2410/CTM-S2411. When the registration process completes, the MESSAGE WAITING LED
flashes once and you hear 3 rising beeps as confirmation. Each S2410/CTM-S2411 accommodates up to 4 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 S2410/CTM-S2411. For example, it is out of range, or its battery is removed or depleted. The previous
registered handset is then deregistered from the S2410/CTM-S2411.
To register an S2320/S2320-6VDC handset:
Place the corded handset on the
S2420/CTM-S2421 telephone base cradle. Handset registration happens automatically the first
time a handset is placed on the S2420/CTM-S2421. When the registration process completes, the MESSAGE WAITING LED
flashes once and you hear 3 rising beeps as confirmation. Each S2420/CTM-S2421 accommodates up to 4 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 S2420/CTM-S2421. For example, it is out of range, or its battery is removed or depleted. The previous
registered handset is then deregistered from the S2420/CTM-S2421.
Register a handset to another telephone base
Any S2310/S2310-6VDC handset can register to any S2410/CTM-S2411 telephone base before use. Any S2320/S2320-6VDC
handset can register to any S2420/CTM-S2421 telephone base before use.
When a registered handset is idle, place it on another telephone base. This handset automatically registers to the new telephone base.
SIP contemporary trimstyle 1-line/2-line - S2310/S2310-6VDC/S2320/S2320-6VDC