2

Signal asking

Sends unsolicited

Result code presentation

 

for reply

result code +CUSD

enabled, presented

 

 

 

 

3

 

 

Answer AT+CUSD

 

 

 

 

3b

 

 

Sends AT+CUSD

 

 

 

 

<n> Description

0Disable result code presentation in the TA

1Enable result code presentation in the TA

2Terminate (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

Example 1

AT Command

Result Code

Description

 

 

 

AT+CUSD=1,“*34#”

 

Enable the Result Code

 

 

presentation in the TAE

 

 

and send a USSD-

 

 

request

 

+CUSD:1,“id code” OK

Further user action

 

 

required, give id code

 

 

 

AT+CUSD=1,“7465338

 

Id code given

”

 

 

 

+CUSD:0 OK

No further user action

 

 

required

 

 

 

Owner’s Manual

Rev 1.0

Page 272 of 272