9.1.43g System information type 18

3GPP44.018GSM/EDGE Radio Resource Control (RRC) protocolMobile radio interface Layer 3 specificationRelease 17TS

This message is sent in one or more instances on the BCCH when the operator decides to transmit non-GSM broadcast information.

A mobile station with non-GSM capabilities shall read all instances of this message (by using parameters in the SI 18 Rest Octets). The mobile station needs only decode the Non-GSM information according to the Non-GSM protocols it supports, indicated by the Non-GSM protocol discriminator.

The L2 pseudo length of this message has the value 1.

Message type: SYSTEM INFORMATION TYPE 18

Significance: dual

Direction: network to mobile station

Table 9.1.43g.1: SYSTEM INFORMATION TYPE 18 message content

IEI

Information element

Type / Reference

Presence

Format

length

L2 Pseudo Length

L2 Pseudo Length
10.5.2.19

M

V

1

RR management
Protocol Discriminator

Protocol Discriminator
10.2

M

V

1/2

Skip Indicator

Skip Indicator
10.3.1

M

V

1/2

System Information
Type 18 Message Type

Message Type
10.4

M

V

1

SI 18 Rest Octets

SI 18 Rest Octets
10.5.2.37h

M

V

20