Siemens MC35 - Manual (Page 154)

AT Command Set
MC35_ATC_01_V03.02 Page 154 of 228 13.03.2002
at+cgqreq=1,0,0,1
OK
at+cgqreq?
+CGQREQ:1,0,0,1,0,0
OK
at+cgqreq=1,1
OK
at+cgqreq?
+CGQREQ:1,1,0,1,0,0
OK
Definitions of parameters in GSM 02.60 and GSM 03.60 paragraph 15.2
“Quality of Service Profile“.
Response
OK/ERROR/+CME ERROR
Reference
GSM 07.07