Quectel EC25 User Manual

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 95 / 231
Parameter
When TA returns to data mode from command mode successfully, CONNECT <text> is returned. Please
note that <text> outputs only when <value> is greater than 0 in ATX<value> parameter setting.
7.8. ATS0 Set Number of Rings before Automatically Answering Call
The command controls automatic answering mode for the incoming calls.
Parameter
If <n> is set too high, the calling party may hang up before the call is answered automatically.
Example
ATS0=3 //Set three rings before automatically answering a call
OK
<n> 0 Switch from command mode to data mode
ATS0 Set Number of Rings before Automatically Answering Call
Read Command
ATS0?
Response
<n>
OK
Write Command
ATS0=<n>
Response
This parameter setting determines the number of rings before
auto-answer.
OK
Maximum Response Time
300ms
Reference
V.25ter
<n> 0 Automatic answering is disabled
1-255 Enable automatic answering on the ring number specified
NOTE
NOTE

Quectel EC25 Specifications

General

Category	LTE Module
LTE TDD	B38/B40/B41
WCDMA	B1/B5/B8
GSM	850/900/1800/1900 MHz
Data rates	LTE Cat 4: 150 Mbps DL/50 Mbps UL
GNSS	GPS/GLONASS/BeiDou/Galileo/QZSS
Operating Temperature	-40°C to +85°C
Form Factor	LCC
Storage Temperature	-45°C to +90°C
SIM Interface	1.8V/3.0V
Antenna Interface	Main, Diversity, GNSS
LTE FDD	B1/B3/B5/B7/B8/B20
Interfaces	USB 2.0, UART, PCM, GPIO
Operating Voltage	3.3V - 4.3V
Protocols	TCP/IP, UDP, FTP, HTTP, HTTPS
Certifications	CE, FCC, PTCRB, GCF, RCM, IC