The maximum length is fixed.

<SS_return>

Description

 

 

Integer type

Field of 1 byte indicating the SS Return Result Operation

 

code, as defined in GSM 04.80, so that the external

 

application is informed about the result of the SS

 

operation

 

 

15.12*E2STKU STK Send USSD

Unsolicited Result Code:

*E2STKU: <coding>, <text_length>, <alpha_id> Description:

The ME shall passes the <alpha_id> parameter within SEND USSD command to the external application, by means of the unsolicited result code *E2STKU. This informs the external application that the ME is sending a USSD string to the network.

<coding> Description

0Text is coded in unpacked format, using the SMS default 7-bit coded alphabet, as defined in GSM 03.38 with bit 8 set to 0. It corresponds to data coding scheme of 8 bit

1Text is coded in packed format, using the SMS default 7- bit coded alphabet, packed in 8-bit octets, as defined in GSM 03.38. It corresponds to data coding scheme of 7- bit GSM default alphabet

 

<text_length>

 

Description

 

 

 

 

 

 

 

 

Integer type (0-240)

Value indicating the maximum length of field

 

 

 

 

<alpha_id>

 

 

 

 

 

 

 

 

 

 

 

 

 

<alpha_id>

Description

 

 

 

 

 

 

 

String type

Field of string type format between “”. Coding is

 

 

 

according to EFAND as defined in GSM 11.11

 

 

 

 

 

 

‘FF’

In case that the SIM does not provide the optional alpha

 

 

identifier, or this is a null data object, the ME shall give

 

 

‘FF’ to indicate “SS string sent” so that the external

 

 

application is informed

 

 

 

 

 

 

 

 

Owner’s Manual

 

Rev 1.0

Page 245 of 245