Data Sheet

Smart Machine Smart Decision
<spn> String type(string should be included in quotation
marks); service provider name on SIM
<display mode> 0 Not display PLMN. Already registered on PLMN
1 Display PLMN
Parameter Saving NO_SAVE
Mode
Max Response -
Time
Reference Note
CME errors occur if SIM is not inserted.
6.2.16 AT+CCVM Get and Set the Voice Mail Number on the SIM
AT+CCVM Get and Set the Voice Mail Number on the SIM
Response
+CCVM: maximum length of field <vm number>, maximum length of
field <alpha string>
OK
Test Command
AT+CCVM=?
Parameters
See Write Command
Response
If voice mail number is not set:
OK
If voice mail number is set:
+CCVM: <vm number>[,<alpha string>]
OK
Read Command
AT+CCVM?
Parameters
See Write Command
Response
OK
ERROR
If error is related to ME functionality:
+CME ERROR: <err>
Write Command
AT+CCVM=<vm
number>[,<alpha
string>]
Parameters
<vm number> String type,The voice mail number to write to the SIM
<alpha string> String type,The alpha-string to write to the SIM
Parameter Saving AUTO_SAVE
Mode
Max Response -
Time
Reference Note
SIM800 Series_AT Command Manual_V1.05 155 2014-07-31