SimCom SIM7500 Series User Manual

Smart Machine Smart Decision
SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
22
3 AT Commands According V.25TER
3.1 A/ Repeat last command
Description
This command is used for implement previous AT command repeatedly (except A/), and the return
value depends on the last AT command. If A/ is issued to the Module firstly after power on, the
response “OK” is only returned.
SIM PIN References
NO
V.25ter
Syntax
Execution Command Responses
A/ The response the last AT command return
Examples
AT+GCAP
+GCAP:+CGSM,+FCLASS,+DS
OK
A/
+GCAP:+CGSM,+FCLASS,+DS
OK
3.2 ATD Dial command
Description
This command is used to list characters that may be used in a dialling string for making a call or
controlling supplementary services.
NOTE:
1. Support several “P” or “p” in the DTMF string but the valid auto-sending DTMF after characters
“P” or “p” should not be more than 29.
2. Auto-sending DTMF after character “P” or “p” should be ASCII character in the set 0-9, *, #.
SIM PIN References
NO V25.ter
SIMCOM CONFIDENTIAL FILE

SimCom SIM7500 Series Specifications

General

Brand	SimCom
Model	SIM7500 Series
Category	Control Unit
Language	English