Huawei MU609 - Troubleshooting; Multi-Party Calling; Reference Process

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.
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OK
^ORIG: 1,0
^CONF: 1
^CONN: 1,0
(User 2)
ATD13903702766;
User 2 calls user 1
OK
^ORIG: 1,0
^CONF: 1
(User 3)
RING
Forwards the call when busy. User 3
presents the Ring indication, while user
1 presents no indications.
Note:
The previous actions are based on call forwarding without any restrictions. Those actions can
be performed only after the user has subscribed to the call forwarding service.
6.6.2 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.
The user has not
subscribed to the call
forwarding service.
Network reject
Subscribe to the call
forwarding service.
6.7 Multi-party Calling
6.7.1 Reference Process
Command
Description
AT+CCWA=1,1,1
The convener activates the call waiting
function and enables the +CCWA indication.
OK