AirPrime HL7518 and AT Commands Interface Guide Rev10 0

Table Of Contents
4116303 Rev 10.0 August 10, 2017 117
AT Commands Interface Guide
Network Service Related Commands
HL7518 and HL7548
Read command
Syntax
AT+CUSD?
Response
+CUSD: <n>
OK
Write command
Syntax
AT+CUSD=[<n>
[,<str>[,<dcs>]]]
Response
OK
or
+CME ERROR: <err>
Parameters
<n> Enables or disables the presentation of an unsolicited result code
0 Disable the result code presentation to the TE (default value if no parameter)
1 Enable the result code presentation to the TE
2 Cancel session (not applicable to read command response)
<str> String type USSD-string (when <str> parameter is not given, network is not
interrogated)
<dcs> Cell Broadcast Data Coding Scheme in integer format (default value: 0)
<m> 0 No further user action required (network initiated USSD-Notify, or no further
information needed after mobile initiated operation)
1 Further user action required (network initiated USSD-Request, or further
information needed after mobile initiated operation)
2 USSD terminated by network
3 Other local client has responded
4 Operation not supported
5 Network time out
Unsolicited
Notification
Response
+CUSD: <m>[,<str>,<dcs>]
Notes
<n> is saved in non-volatile memory per AT port over module reboot.
6.3. +CLCK Command: Facility Lock
HL7518 and HL7548
Test command
Syntax
AT+CLCK=?
Response
+CLCK: (list of supported <fac>s)
OK
or
+CME ERROR: <err>