Specifications


3GPPTS27.007ATCOMMANDS

HSPA+ATCommandsReferenceGuide 46

InternationalMobileSubscriberIdentity(IMSI)+CIM I
ExecutecommandreturnsthevalueoftheInternalMobileSubscriberIdentitystoredintheSIMwithout
commandecho.
TestcommandreturnsOKresultcode.
Syntax
Command Commandtype
AT+CIMI Execute
AT+CIMI=? Test
Notes
 ASIMcardmustbepresentintheSIMcardhousing,otherwisetheexecutecommandreturnsERROR.
 Reference:3GPPTS27.007.
MultiplexingMode+CMUX
Setcommandenablesordisablesthe3GPPTS27.010multiplexingprotocolcontrolchannel.
Readcommandreturnsthecurrentvalueof<mode>,<subset>,<port_speed>,<N1>,<T1>,<N2>,<T2>,<T3> and
<k>parameters,intheformat:
+CMUX:<mode>,<subset>,<port_speed>,<N1>,<T1>,<N2>,<T2>,<T3>,<k>. 
Testcommandreturnstherangeofsupportedvaluesfor<mode>,<
subset>,<port_speed>,<N1>,<T1>,<N2>,
<T2>,<T3>and<k>.
Syntax
Command Commandtype
AT+CMUX=<mode>[,<subset>[,<port_speed>[,<N1>[,<T1>[,<N2>[,<T2>[,
<T3>[,<k>]]]]]]]]
Set
AT+CMUX? Read
AT+CMUX=? Test
ParametersandValues
<mode> Multiplexertransparencymechanism.
0 Basicoption.Currentlytheonlysupportedvalue.
<subset> 
0 UIHframesusedonly;itiscurrentlytheonlysupportedvalue.
<port_speed> Transmissionrate.
5 115200bit/s.Default:5.
<N1> Maximumframesize.
1‐1509 Default:121.
<T1> Acknowledgementtimerinunitsoftenmilliseconds.
1‐25
5 Default:10(100ms).
<N2> Maximumnumberofre‐transmissions.
0‐100 Currentlyonlytherange0‐5issupported.Default:3.