AT$QCRMCALL? is missing <CR><LF>
between response lines when using RmNet call with call type IPV4V6:
AT+QNETDEVSTATUS?
+QNETDEVSTATUS: 1,2,4,1
+QNETDEVSTATUS: 1,2,6,1
OK
AT$QCRMCALL?
$QCRMCALL: 1,V4$QCRMCALL: 1,V6
OK
ATI
Quectel
EC25
Revision: EC25EUXGAR08A08M1G
OK