Element

SsParameters

Validations ASN.1 Parent Types

The Supplementary Service Parameters element is an element of the Supplementary Service Used. The contents of the element and the value it represents is entirely dependent upon the Supplementary Service Action.

Derivation for Supplementary Service:

GSM item ssParameters (3GPP TS 32.005).

Conditionality:

Must be present within group Supplementary Service Used where relevant, i.e. for those Supplementary Service Actions detailed below.

Note: In the case of USSD message, when the whole message content is not available, at least the USSD service code must be present.

Event                                      Action                    Parameter

Call forward                         Reg’n                     Forwarded to number
     unconditional
Call fwd busy                       Reg’n                     Forwarded to number
Call fwd no reply                 Reg’n                     Forwarded to number
Call fwd not                          Reg’n                     Forwarded to number
     reachable
Explicit Call                         Inv’n                       Transferred to number
    Transfer

USSD message                  USSD Inv’n              The contents of the USSD
                                                                                message as entered by the user
                                                                                or sent by the mobile station.

Validations

Error Code

Context

Severity Level

Validation Description

10

20

SS

SS

Warning

Warning

Syntax error.

Value out of range.