BGS2T AT Command Set
13.23 AT^SSDA
BGS2T_ATC_V01.301 Page 404 of 554 1/31/12
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13.23 AT^SSDA Set SMS Display Availability
This command allows to notify the BGS2T of its controlling application's capability to immediately display incom-
ing SMS on a display.
If the application is able to display incoming short messages, a class 0 message shall be displayed immediately.
However, if it does not, class 0 messages shall be treated as if no message class is determined (3GPP TS 23.038
[27]).
The effect of this command if <da>=1 is to determine the behavior of parameter <mt> of AT+CNMI:
If <da>=1 and <mt>=1 or <mt>=3 incoming class 0 mesages need to be acknowledged with AT+CNMA (see also
AT+CNMI and AT+CSMS)
If multiplex mode is enabled (AT+CMUX) and <da>=1 with <mt>=1 or <mt>=3 is set on any logical channel, all
other channels have to use <mt>=0.
Syntax
Parameter Description
Display Availability
0
(&F)
Application is not able to display incoming short message
1 Application is able to display incoming short message
Note
• If the ME operates on different instances (MUX channels 1, 2, 3) avoid different settings for routing and indi-
cating short messages. For example, if messages shall be routed directly to one instance of the TE (set with
AT+CNMI, AT^SSDA), it is not possible to activate the presentation of URCs with AT+CMER or AT+CNMI on
another instance. Any attempt to activate settings that conflict with existing settings on another interface, will
result in "+CME ERROR", or accordingly "+CMS ERROR".
Test Command
AT^SSDA=?
Response(s)
^SSDA:(list of supported <da>s)
OK
Read Command
AT^SSDA?
Response(s)
^SSDA:<da>
OK
Write Command
AT^SSDA=<da>
Response(s)
OK
PIN ASC0 MUX1 MUX2 MUX3 Last
- + + + + - -
<da>
(num)
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