Siemens AC75 - Manual (Page 202)

AC75 AT Command Set
8.4 AT+CREG
s
AC75_ATC_V01.002 Page 202 of 569 10/30/06
Confidential / Released
Two byte cell ID in hexadecimal format.
Note
• After the "
+CREG
: 1" (or "
+CREG
: 5") URC and before the "
^SSIM READY
" URC it is not sure that outgoing
and incoming calls can be made and short message functions executed. Emergency calls are possible.
Outgoing and incoming calls are always possible AFTER having received the "
+CREG
: 1" (or "
+CREG
: 5") and
"
^SSIM READY
" URCs.
See also Section 23.1 , Restricted access to SIM data after SIM PIN authentication .
Example
(str)
AT+CREG=2
Activates extended URC mode.
OK
AT+COPS=0
Forces ME to automatically search network operator.
OK
+CREG: 2
URC reports that ME is currently searching.
+CREG: 1,"0145","291A"
URC reports that operator has been found.