Siemens M20 Terminal User Manual

AT command interface
Version 8 dated 15.03.00 88
Siemens Information and Communication Products
A
AT+CUSD Unstructured supplementary service data
Test command
AT+CUSD=?
Response
+CUSD: (list of supported <n>s) OK
Parameter
see set command
Read command
AT+CUSD?
Response
TA returns the parameter unsolicited result code presentation mode.
+CUSD: <n>, OK
Parameter
see set command
Set command
AT+CUSD=[<n>
[,<str>[,<dcs>]]]
Response
Unsolicited result code
When the presentation of an unsolicited code is enabled, TA send USSD response from the network
or network initiated operation to the TE:
+CUSD: <m>[,<str>,<dcs>]
Parameter
see set command
Reference
GSM 07.07/V580
Note
TA controls the Unstructured Supplementary Service Data(USSD). Both network and mobile
initiated operations are supported. Parameter
<n>
is used to disable/enable the presentation of an
unsolicited result code. The value
<n>
=2 is used only to cancel an ongoing USSD session.
When
<str>
is given, a mobile initiated USSD-string or a response USSD-string to a network
initiated operation is sent to the network.
OK
If error is related to ME functionality:
+CME ERROR: <err>
Note: The set command should be abortable when network is interrogated.
Parameters
<
n
> 0 disable unsolicited result code presentation
1 enable unsolicited result code presentation
2 cancel ongoing USSD session
<
str
> string type USSD-string
if
<dcs>
indicates that GSM03.38[25] default alphabet is used:
ME/TA converts GSM alphabet into current TE character set (refer
command Select TE Character Set
+CSCS
) according to rules of
GSM07.05[24] AnnexA
<
dcs
> GSM03.38[25] Cell Broadcast Data Coding Scheme in integer format
0 GSM default alphabet is used in <str> in ME
<
m
> 0 no further user action required (network initiated USSD-Notify, or no
further information needed after mobile initiated operation)
1 further user action required (network initiated USSD-Request, or further
information needed after mobile initiated operation)
2 USSD terminated by network
3 Other local client has responded
4 Operation not supported
5 network time out

Siemens M20 Terminal Specifications

General

Brand	Siemens
Model	M20 Terminal
Category	Engine
Language	English