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PRIMARY CELLULAR SERVICE
No landline service required.
Cellular Network
CELLULAR
LANDLINE
Leviton cellular
Communication
Station
Leviton Home
Automation
Controller
Home Telephones
Landline Phone
Mobile Phone
Central Monitoring Station
Everyday use…
When the C3 is connected to the GSM cellular network, all attached telephones can be used to
make calls. If a landline is present, you will hear the normal dial tone and you can make your
call as normal using the landline service. However, if the landline is currently unavailable, you
will hear a different tone which indicates the C3 is in cellular mode and the call will be made
using the cellular network. If the landline is available, but you still want to make the call using
the cellular network, when you pick up the phone and hear the normal dial tone, press ‘*’ and
‘*’ on the phone and the C3 will switch to GSM mode. At that point, you will hear the cellular
mode tone and you can make the call using the GSM cellular network.
When a call is made to the phone number assigned to the GSM SIM card that is installed
in the C3, any phones that are connected to the C3 will ring as they normally would when a
landline call is received. If your phone is equipped with Caller ID, the number of the calling
party is displayed.
Used as Primary phone service (no landline)
2
WEB
VERSION