User's Manual Part 1

44 AT Commands
Revision 1.8 P/N 90023363
AT Command Set by Function
Table 4: Generic AT Commands below, lists by function, the generic AT Commands that
can be used with Merlin modems. The general format of the command line is:
<prefix><command><cr>.
This list does not include commands used for calibration.
Simply move the mouse over the command to link to a detailed explanation.
Table 4: Generic AT Commands
Generic
AT Command
Reference ETSI 07.07,PCCA STD-
101
Response
A/
Re-issues last AT command given AGAIN
+++
ESC from Data mode to command mode ESCAPE
ATA
Answer incoming call ANSWER
ATD[<n>][mgsm>]
Mobile Originated call to dial table number DIAL
ATD[<mem><loc>][
<mgsm>]
Originate call to phone number in memory <MEM>DIAL FROM MEM-
ORY
ATD[<ploc>][<mgs
m>]
Originate call to phone number in current memory DIAL FROM LOCATION
ATD[<str>][<mgsm
>]
Originate call to phone number in memory which corre-
sponds to alphanumeric field
<STR>DIAL USING STRING
ATDL
Redial last telephone number used DIAL LAST NUMBER
ATE
Set command echo mode ECHO MODE
ATH
Disconnect existing connection HANG-UP (DISCONNECT)
ATI
Display product identification information DISPLAY IDENTITY
ATI0
Request IMEI (International Mobile Equipment Identifier)
number.
IMEI: 001018-00-565563-5-
00 IMEI OK
ATL
Set monitor speaker loudness SET SPEAKER LOUDNESS
ATM
Set monitor speaker mode SET SPEAKER MODE
ATO
Switch from command mode to data mode OPEN DATA MODE