Quectel UG Series

UMTS/HSPA Module Series
WCDMA UGxx AT Commands Manual
WCDMA_UGxx_AT_Commands_Manual Confidential / Released 102 / 247
Parameter
Example
AT+CRC=1 //Enable extended format
OK
+CRING: VOICE //Indicate incoming call to the TE
ATH
OK
AT+CRC=0 //Disable extended format
OK
RING //Indicate incoming call to the TE
ATH
OK
7.18. AT+CRLP Select Radio Link Protocol Parameter
AT+CRLP write command sets radio link protocol (RLP) parameters used when non-transparent data
calls are originated.
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
VOICE Voice
AT+CRLP Select Radio Link Protocol Parameter
Test Command
Response
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