Quectel EC25 User Manual

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 104 / 231
7.17. AT+CRC Set Cellular Result Codes for Incoming Call Indication
The command controls whether or not to use the extended format of incoming call indication. When it is
enabled, an incoming call is indicated to the TE with unsolicited result code +CRING: <type> instead of
the normal RING.
Parameter
<serv> ASYNC Asynchronous transparent
SYNC Synchronous transparent
REL ASYNC Asynchronous non-transparent
REL SYNC Synchronous non-transparent
GPRS GPRS
AT+CRC Set Cellular Result Codes for Incoming Call Indication
Test Command
AT+CRC=?
Response
+CRC: (list of supported <mode>s)
OK
Read Command
AT+CRC?
Response
+CRC: <mode>
OK
Write Command
AT+CRC=[<mode>]
Response
TA controls whether or not the extended format of incoming
call indication is used.
OK
Maximum Response Time
300ms
Reference
3GPP TS 27.007
<mode> 0 Disable extended format
1 Enable extended format
<type> ASYNC Asynchronous transparent
SYNC Synchronous transparent
REL ASYNC Asynchronous non-transparent
REL SYNC Synchronous non-transparent
FAX Facsimile
VOICE Voice

Quectel EC25 Specifications

General

Brand	Quectel
Model	EC25
Category	Control Unit
Language	English