PioneerPOS G24-LC 用户手册

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Call Control
3-50
 G24-L AT Commands Reference Manual
April 15, 2008
Supplementary Services
This set of commands enables control over supplementary service notifications, including 
Structured and Unstructured Supplementary Service Data (USSD) data.
+CSSN, Supplementary Service Notifications
This command handles the enabling and disabling of supplementary service-related, 
network-initiated, notifications.
Command 
Type
Syntax
Response/Action
Remarks
Set
+CSSN=[<n>[,<m>]]
OK
+CME ERROR: <err>
The Set command enables/disables the 
display of notification result codes to 
the TE.
When <n>=1 and a supplementary 
service notification is received after a 
mobile-originated call setup, the 
+CSSI: notification is sent to the TE 
before any other mobile-originated call 
setup result codes. When several 
different notifications are received 
from the network, each of them 
receives its own +CSSI result code.
When <m>=1 and a supplementary 
service notification is received during 
a mobile-terminated call setup or 
during a call, or when a forward check 
supplementary service notification is 
received, the unsolicited result code 
+CSSU: is sent to the TE. In case of a 
mobile-terminated call setup, a CSSU 
is sent after every +CLIP result code 
(
). When several different 
events are received from the network, 
each of them receives its own +CSSU 
result code.
Note:
The values for <n> and <m> 
are not saved after power 
cycle.
Read
+CSSN?
+CSSN: <n>,<m>
The Read command displays the 
current supplementary service 
notification setting.
Test
+CSSN=?
+CSSN: (0-1), (0-1)
The Test command displays the list of 
supported CSSN values.