User's Manual

Appendix C – AT Command List
Wireless ModemModule MTMMC-G-F1 and MTMMC-G-F2 Developer’s Guide 49
Table C-1b : AT Command List (cont’d)
Call Control Commands
D Dial command
H Hang-up Command
A Answer a Call
+CEER Extended Error Report
+VTD, +VTS DTMF Signals
ATDL Redial Last Telephone Number
AT%Dn Automatic Dialing (or SMS send) with DTR
ATSO Automatic Answer
+CICB Incoming Call Bearer
+VGR, +VGT Gain Control
+CMUT Microphone Mute Control
+SPEAKER Speaker and Microphone Selection
+ECHO Echo Cancellation
+SIDET Side Tone Modification
+VIP Initialize Voice Parameters
+CSNS Single Numbering Scheme
Network Service Commands
+CSQ Signal Quality
+COPS Operator Selection
+CREG Network Registration
+WOPN Read Operator Name
+CPOL Preferred Operator List
Security Commands
+CPIN Enter PIN
+CPIN2 Enter PIN2
+CPINC PIN Remaining Attempt Number
+CLCK Facility Lock
+CPWD Change Password
Phone Book Commands
+CPBS Select Phone Book Memory Storage
+CPBR Read Phone Book Entries
+CPBF Find Phone Book Entries
+CPBW White Phone Book Entry
+CPBP Phone Book Phone Search
+CPBN Move Action in Phone Book
+CNUM Subscriber Number
+WAIP Avoid Phone Book Init