C55/C55i AT COMMAND SET Description Preliminary - Falcom

C55/C55I AT COMMAND SET VERSION 1.00
1 manual operator selection
Write command requires . value shall be
2.
Read command returns the current and the
currently selected . If no operator is selected,
and are omitted.
2 manual deregister from network and remain unregistered
until =0,1,4 is selected
3 set only (for read command +COPS?)
4 automatic, manual selected; if manual selection fails,
automatic mode (=0) is entered ( field will
be present)
(num)(&W)(&V)
parameter can be stored non-volatile in the user profile using AT&W
(&F)
0 long format alphanumeric ; up to 16 characters
2 numeric ; GSM Location Area Identification
number
Notes
• AT+COPS settings are effective over all interfaces of the C55.
• When using the AT+COPS=? command during an ongoing GPRS
transfer, the transfer will be interrupted for up to 1 minute.
7.3 AT+CREG Network registration
Syntax
Test Command
AT+CREG=?
Read Command
AT+CREG?
Write Command
AT+CREG=[]
Reference(s) PIN ASC0
GSM 07.07 ○ ●
Response(s)
+CREG: (list of supported s)
OK
Response(s)
+CREG: , [, , ]
OK
ERROR
+CME ERROR:
Response(s)
OK
ERROR
+CME ERROR:
Unsolicited Result Codes
URC1
If =1 and there is a change in the ME network registration status:
+CREG:
URC2
If =2 and there is a change in the ME network registration status
or a change of the network cell:
+CREG: [, , ]
Command Description
This confidential document is the property of FALCOM GmbH and may not be copied or circulated without permission.
Page 131