
AL7024S Quick Start Manual
3.6Network Commands
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 | Command gives information about the network | 
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 | registration status. | 
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 | The registration status can be asked once with | 
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 | AT+CREG? or you can enable a continuous | 
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 | AT+CREG | 
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 | Network registration, | 
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 | indication of the registration status with | 
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 | AT+CREG=1 or AT+CREG=2. | 
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 | p.187 | 
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 | Response: +CREG:<mode>,<status>. The | 
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 | status of the registration is 1 if registered to | 
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 | home network, 2 if modem is trying to register | 
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 | and 0 if not trying to register. For more | 
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 | information consult the ”Developer’s Guide” | 
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 | This command is used to choose a network | 
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 | operator. If the modem does not register to | 
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 | network at startup, try the command | 
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 | AT+COPS | 
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 | Operator selection, p.191 | 
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 | AT+COPS=0. It is the command to register | 
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 | automatically to the home network. | 
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 | AT+COPS=? Shows the available network | 
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 | operators. For better explanation of the | 
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 | command consult the ”Developer’s Guide”. | 
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 | AT+CPOL | 
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 | Preferred operator list, | 
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 | Command to edit the preferred list of network | 
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 | p.194 | 
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 | operators on SIM | 
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 | AT+CSQ | 
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 | Command to measure the received signal | 
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 | Signal Quality, p.184 | 
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 | quality. A value of about  | 
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 | make safe connection. | 
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 | AT+CLIP | 
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 | Calling Line Identification, | 
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 | The number of incoming caller is shown. If in | 
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 | p. 70 | 
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 | phonebook, the entry is shown. | 
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 | AT+CLIR | 
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 | Calling Line Id. | 
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 | Controls whether own number is shown at | 
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 | Restriction, p. 83 | 
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 | called side. | 
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| No.  | Altec Electronic AG | Seite 13 / 18 |