User Manual

19. SUPPLEMENTARY SERVICES
303
LZT 123 7263 R1A
The different alternatives are shown below.
Network Mobile Equipment External application
1 Signal Sends unsolicited
result code +CUSD
Result code presentation
enabled, presented
2 Signal asking
for reply
Sends unsolicited
result code +CUSD
Result code presentation
enabled, presented
3 Answer AT+CUSD
3b Sends AT+CUSD
<n> Description
0 DisableresultcodepresentationintheTA
1 Enable result code presentation in the TA
2 Terminate (abort) USSD dialogue. This value is not applicable to
the read command response
<str> Description
string String type USSD (when <str> parameter is not given, network is not
interrogated):
-If <dcs> indicates that GSM 03.38 default alphabet is used:
*if TE character set other than “HEX (refer command Select TE
Character Set +CSCS): ME/TA converts GSM alphabet into
current TE character set according to rules of
GSM 07.05 Annex A
If TE character set is ”HEX”: ME/TA converts each 7-bit
character of GSM alphabet into two IRA character long
hexadecimalnumber(e.g.characterP(GSM23)ispresented
as 17 (IRA 49 and 55)). Not supported
- if <dcs> indicates that 8-bit data coding scheme is used: ME/TA
converts each 8-bit octet into two IRA character long
hexadecimal number (e.g. octet with integer value 42 is
presented to TE as two characters 2A (IRA 50 and 65)). Not
supported