Quectel UG Series User Manual

UMTS/HSPA Module Series
WCDMA UGxx AT Commands Manual
WCDMA_UGxx_AT_Commands_Manual Confidential / Released 101 / 247
Parameter
7.17. AT+CRC Set Cellular Result Codes for Incoming Call Indication
AT+CRC 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.
OK
Read Command
AT+CR?
Response
+CR: <mode>
OK
Write Command
AT+CR=[<mode>]
Response
TA controls whether or not intermediate result code +CR:
<serv> is returned from the TA to the TE when a call set up.
OK
Maximum Response Time
300ms
Reference
3GPP TS 27.007
<mode> 0 Disable
1 Enable
<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
Quectel
Confidential

Quectel UG Series Specifications

General

Brand	Quectel
Model	UG Series
Category	Control Unit
Language	English