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AC75_ATC_V01.002

Page 400 of 569

10/30/06

Confidential / Released

This command allows to notify the AC75 of its controlling application's capability to immediately display incoming

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 (GSM 03.38

). 

The effect of this command if 

=1 is to determine the behavior of parameter 

If multiplex mode is enabled (

) and 

=1 with 

=1 is set on any logical channel, all other chan-

nels have to use 

Display Availability
0

(&F)

Application is not able to display incoming short message

1

Application is able to display incoming short message

• If the ME operates on different instances (MUX channels 1, 2, 3 or ASC0/ASC1) avoid different settings for

routing and indicating short messages. For example, if messages shall be routed directly to one instance of

the TE (set with 

, 

), it is not possible to activate the presentation of URCs with 

or 

 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 

OK

Read Command

AT^SSDA?

Response(s)

^SSDA:

OK

Write Command

Response(s)

OK

Reference(s)

PIN

ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge

4

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