B.3 Messages Contents of the FM Request

23.0943GPPFollow-Me (FM)Release 17Stage 2TS

Contents of the USSD string of FM-Request:

– all parameters are entered by the initiating subscriber and transported transparently to HLRa.

Table B.1: Contents of the USSD string of FM-Request

Parameter number

Value

Parameter
mandatory (M)
or optional (O)

Comment

1

OC

M

Operation Code:

OC = ** … for Registration

OC = ## … for Erasure

OC = *# … for Interrogation

2

SC

M

Service Code for Follow Me. SMG1 Refer to 22.030 for the Service Code for Follow Me.

3

*

M

Delimiter

4

REMOTE NUMBER

M

remote number

5

*

M

Delimiter.

6

Supervisor Indicator

C

Supervisor Indicator = 88. Used for Forced Erasure by FM Service Supervisor.

7

*

M

Delimiter

8

MSISDN

C

MSISDN of previous initiating subscriber who has registered the FM to remote number. This parameter is conditional, only used for forced erasure.

9

*

M

Delimiter

10

Additional information field

O

For operator specific use

last

#

M

End of USSD string