9.1.49 VGCS uplink grant

3GPP44.018GSM/EDGE Radio Resource Control (RRC) protocolMobile radio interface Layer 3 specificationRelease 16TS

The understanding of this message is only required for mobile stations supporting VGCS talking.

This message is sent in unacknowledged mode on the main signalling channel by the network to the mobile station to stop the sending of access bursts from the mobile station and to change the channel configuration to a dedicated configuration. See table 9.1.49.1.

Message type: VGCS UPLINK GRANT

Significance: dual

Direction: network to mobile station

Table 9.1.49.1: VGCS UPLINK GRANT message content

IEI

Information element

Type / Reference

Presence

Format

length

RR management Protocol Discriminator

Protocol Discriminator
10.2

M

V

1/2

Skip Indicator

Skip Indicator
10.3.1

M

V

1/2

VGCS Uplink Grant Message Type

Message Type
10.4

M

V

1

Request Reference

Request Reference
10.5.2.30

M

V

3

Timing Advance

Timing Advance
10.5.2.40

M

V

1