HUAWEI MU609 HSPA LGA Module
Application Guide
USSD Application Scenarios
Issue 02 (2013-09-18)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
114
15.2.2
Troubleshooting
Scenario
Possible Error
Information
Solution
Network doesn
’t support the
USSD
+CUSD: 2
Use correct USSD code that
the network supports.
The PIN is not
authenticated.
+CME ERROR: SIM
PIN required
Enter the correct PIN.
15.3 Send the USSD Command in Transparent Mode
15.3.1
Reference Process
Command
Description
AT^USSDMODE=1
Set as transparent mode
OK
AT+CUSD=1,"aad808",15
Send the USSD code to network.
OK
+CUSD:
0,"CD69724A74EA1A385B6C9683CD6E
B1184E4603",15
The network sends the MSISDN to
the TE.
Note:
"
aad808
" is just available in dedicated lab network. The USSD code is various in different
network.
15.3.2
Troubleshooting
Scenario
Possible Error
Information
Solution
Network doesn't support the
USSD.
+CUSD: 2
Use correct USSD code that
the network supports.
The PIN is not
authenticated.
+CME ERROR: SIM
PIN required
Enter the correct PIN.