HUAWEI MU609 HSPA LGA Module
Application Guide
Voice and Supplementary Service Application
Scenarios
Issue 02 (2013-09-18)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
47
AT+VTS=3
Send a DTMF tone to select option 3.
OK
AT+CHUP
The user hangs up.
^CEND: 1,6,29,16
OK
^CEND: 1,6,29,16
is presented to indicate that user
ends the call.
6.4.2
Troubleshooting
Scenario
Possible Error
Information
Solution
Make a voice call
when no network is
found.
^ORIG: 1,0
Presents ^CEND.
Make the call after the network
is found.
The PIN is not
authenticated.
+CME ERROR: SIM PIN
required
Enter the correct PIN.
6.5 ID Presentation
6.5.1
Reference Process
Caller ID presentation:
Command
Description
AT+CLIP=1
User 1 enables the calling line
identification presentation (CLIP)
indication.
OK
AT+CLIP?
User 1 queries the CLIP indication.
+CLIP: 1,1
OK
ATD13903710616;
User 2 calls user 1 whose number is
13903710616.