我的模组：
ATI
Quectel
EC20F
Revision: EC20CEFAGR08A03M4G
OK
AT+QMBNCFG=“List”
+QMBNCFG: “List”,0,0,0,“ROW_Generic_3GPP”,0x0501081F,202307241
+QMBNCFG: “List”,1,0,0,“CU-VoLTE”,0x05011508,202212271
+QMBNCFG: “List”,2,0,0,“VoLTE_OPNMKT_CT”,0x050113FC,202307101
+QMBNCFG: “List”,3,1,1,“Volte_OpenMkt-Commercial-CMCC”,0x05012071,202303133
OK
AT+QCFG=“ims”
+QCFG: “ims”,1,0
OK
在rpi4下manjaro中能注册移动网，能通过wvdial拨号能正常上网。
能发短信。
但拨打电话出错
ATD+xxxxxx;
ATD+13996305222;
OK
NO CARRIER