Proroute GEM420 4G M2M Router
GEM420 User Manual 149
Read New SMS Message
You can read, delete, reply, and forward messages in this inbox section.
1. Refresh: You can press “Refresh” button to renew SMS lists.
2. Delete, Reply, Forward Messages: After reading message, you can check the
checkbox on the right of each message to delete, reply, or forward this message.
3.3.1.2 USSD
Unstructured Supplementary Service Data (USSD) is a protocol used by GSM
cellular telephones to communicate with the service provider's computers. USSD can
be used for prepaid callback service, mobile-money services, location-based content
services, and as part of configuring the phone on the network.
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