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 (GSM 12.05).

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

 

 

MOC

SS

 

MOC

SS

 

Warning

 

 

Warning

 

 

Syntax error.

 

 

Value out of range.

 

 

 

ASN.1 Definition 

SsParameters ::= [APPLICATION 204] AsciiString --(SIZE(1..40))


Parent Types

SupplServiceUsed
Text extracted from GSMA TD57 standard