Multi-Tech Systems Multimodem RJ-9 - Manual (Page 17)

Chapter 2 – Getting Started
Multi-Tech Systems, Inc. MultiModem Wireless Modem with Ethernet Interface (S000375B) 17
Checking Network Registration and Roaming Status
Use this command to verify that the wireless MultiModem has been registered on a wireless network.
1. In the command window, type AT+CREG?
2. The modem will respond in one of the following ways:
Network Registration Verification
Value Network Registration Status
+CREG: 0,0 The modem is not registered on any network
+CREG: 0,1 The modem is registered on the home network
+CREG: 0,5 The modem is registered on a network and it is roaming
Note: If the modem indicates that it is not registered, verify the signal strength to determine if the
problem is the strength of the received signal.