CallDirect CD Series, At Command Manual

Page: 2 / 33

CONTENTS
Introduction............................................................................................................................. 4
Product overview ................................................................................................................ 4
Command and configuration reference................................................................................... 5
Overview............................................................................................................................. 5
Operating states................................................................................................................... 5
Syntax Description.............................................................................................................. 6
DTE commands lines...................................................................................................... 6
Command line general format ........................................................................................ 6
Command line echo ........................................................................................................ 6
Types of DTE commands ............................................................................................... 6
DTE command syntax..................................................................................................... 7
Basic syntax command format........................................................................................ 7
S-parameters ................................................................................................................... 7
Extended syntax commands............................................................................................ 8
AT Command specifications................................................................................................... 9
V.250 Configuration commands............................................................................................. 9
&F Restore factory defaults .......................................................................................... 9
Z Soft reset and restore saved settings ........................................................................... 9
&W Save configuration to non-volatile memory ........................................................... 9
E Command Echo........................................................................................................... 9
Q Quiet mode................................................................................................................ 10
V Result code form ....................................................................................................... 10
I Identification ............................................................................................................. 10
^CROK Send OK response to <CR>.......................................................................... 10
^NOLF Disable sending <LF> in response messages ............................................... 11
^NOER Disable ERROR response to unknown commands....................................... 11
^PAST Pass unknown V.250 commands to phone module. ......................................... 11
^EMUL
Enable special device emulation................................................................... 12
DCE-DTE Interface commands............................................................................................ 13
&D DTR Configuration ............................................................................................... 13
&S DSR Configuration ............................................................................................... 14
&C DCD Configuration............................................................................................... 14
&N RI Configuration ................................................................................................... 14
+IPR Local RS-232 interface baud rate ..................................................................... 15
+ICF Local RS-232 interface character framing .............................................................. 16
+IFC
Local RS-232 flow control................................................................................ 17
V.250 Session management commands................................................................................ 18
D Dial (Establish Connection)...................................................................................... 18
H Hang Up .................................................................................................................... 20
O Return to On line state .............................................................................................. 20
+++ Enter On line command state................................................................................ 20
Cellular Packet Session management commands ................................................................. 21
^PRFL Profile Configuration ........................................................................................ 21
^GASC
Enable cellular packet session auto connect ................................................. 22
^GRST End Cellular Packet Session ......................................................................... 22
PAD Configuration commands............................................................................................. 23
^IDNT PAD identification string .................................................................................. 23
CDM800 Series V.250 Manual Page 2 of 33
To suit software version 1.52.2 4/4/2008