SimCom SIM7500 Series User Manual

Smart Machine Smart Decision
SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
27
<;>
The termination character ";" is mandatory to set up voice calls. It must not be used for data and fax
calls.
<text>
CONNECT result code string; the string formats please refer ATX/AT\V/AT&E command.
<err>
Service failure result code string; the string formats please refer
+CME ERROR result code and
AT+CMEE command.
Examples
ATD>”Kobe”;
OK
VOICE CALL: BEGIN
3.6 ATA Call answer
Description
This command is used to make remote station to go off-hook, e.g. answer an incoming call. If there
is no an incoming call and entering this command to TA, it will be return “NO CARRIER” to TA.
SIM PIN References
YES V.25ter
Syntax
Execution Commands
Responses
ATA For voice call:
OK
VOICE CALL: BEGIN
For data call, and TA switches to data mode:
CONNECT
No connection or no incoming call:
NO CARRIER
Examples
ATA
VOICE CALL: BEGIN
OK
SIMCOM CONFIDENTIAL FILE

SimCom SIM7500 Series Specifications

General

Brand	SimCom
Model	SIM7500 Series
Category	Control Unit
Language	English