9.1.48 Uplink release
3GPP44.018GSM/EDGE Radio Resource Control (RRC) protocolMobile radio interface Layer 3 specificationRelease 17TS
Only applicable for mobile stations supporting VGCS talking.
This message is sent on the uplink of the voice group call channel to initiate a deactivation of the group transmit mode and to set the uplink free or on the uplink by a talker on the dedicated channel or on the downlink of the voice group call channel in order to reject an uplink access which was already granted by the network. See table 9.1.48.1.
Message type: UPLINK RELEASE
Significance: local
Direction: both
Table 9.1.48.1: UPLINK RELEASE message content
|
IEI |
Information element |
Type / Reference |
Presence |
Format |
length |
|
RR management Protocol Discriminator |
Protocol Discriminator |
M |
V |
1/2 |
|
|
Skip Indicator |
Skip Indicator |
M |
V |
1/2 |
|
|
Uplink Release Message Type |
Message Type |
M |
V |
1 |
|
|
RR Cause |
RR Cause |
M |
V |
1 |