SimCom SIM7500 Series User Manual

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SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
114
6.6 AT+CRC Cellular result codes
Description
Write command controls whether or not the extended format of incoming call indication or GPRS
network request for PDP context activation is used. When enabled, an incoming call is indicated to
the TE with unsolicited result code “+CRING: <type>” instead of the normal RING.
Test command returns values supported by the TA as a compound value.
SIM PIN References
YES 3GPP TS 27.007
Syntax
Test Command Responses
AT+CRC=? +CRC: (list of supported <mode>s)
OK
Read Command Responses
AT+ CRC?
+CRC: <mode>
OK
Write Command Responses
AT+CRC=<mode>
OK
Execution Command
Responses
AT+CRC Set default value:
OK
Defined values
<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 normal voice
VOICE/XXX voice followed by data(XXX is ASYNC, SYNC, REL ASYNC or REL
SYNC)
ALT VOICE/XXX alternating voice/data, voice first
ALT XXX/VOICE alternating voice/data, data first
ALT FAX/VOICE alternating voice/fax, fax first
SIMCOM CONFIDENTIAL FILE

SimCom SIM7500 Series Specifications

General

Brand	SimCom
Model	SIM7500 Series
Category	Control Unit
Language	English