Siemens M20 Terminal Technical Description page 61

Siemens Information and Communication Products
AT+CCUG Closed user group control
Test command Response
AT+CCUG=? OK
Parameter
Read command Response
AT+CCUG? +CCUG: <n>,<index>,<info> OK
If error is related to ME functionality:
+CME ERROR: <err>
Parameter
see set command
Set command Response
AT+CCUG=[<n>] TA sets the closed user group supplementary service parameters as a default adjustment for all fol-
[,<index>[,<in- lowing calls.
fo>]]]
OK
Parameter
<n>
<index>
<info>
Reference Note
GSM 07.07
Version 8 dated 15.03.00
0 disable CUG
1 enable CUG
0...9 CUG index
10 no index (preferred CUG taken from subscriber data)
0 no information
1 suppress OA (Outgoing Access)
2 suppress preferential CUG
3 suppress OA and preferential CUG
AT command interface
A
61