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3 Pre-Installation
3.1 GSM Cellular Channels
The CGW-T4 unit contains a GSM engines. It therefore needs a SIM cards from the local GSM
network providers. Its registration to the GSM operator is similar to the registration of a
mobile GSM phone.
3.2 CDMA Cellular Channels
The CGW-T4 (CDMA) contains a CDMA engine that needs to be activated via a local CDMA
network provider. You register the engine the way you would normally register a mobile
CDMA phone.
NOTE
It is recommended that you disable all call forwarding modes (in the events of
busy, absence, unavailability, etc.) and Call Waiting from the GSM/CDMA
operator, before installing the SIM card (GSM network), or activating the
CDMA unit.
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CGW-T4 Installation and Programming Manual
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