11.2.35 Packet CS Request

3GPP44.060General Packet Radio Service (GPRS)Mobile Station (MS) - Base Station System (BSS) interfaceRadio Link Control / Medium Access Control (RLC/MAC) protocolRelease 17TS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

This message is sent from the mobile station to the network on the PACCH to request RR connection.

Message type: PACKET CS REQUEST

Direction: mobile station to network

Table 11.2.35.1: PACKET CS REQUEST information elements

< Packet CS Request message content > ::=

< GLOBAL TFI : < Global TFI IE > >

< ESTABLISHMENT CAUSE : bit (8) >

< padding bits > ;

Table 11.2.35.2: PACKET CS REQUEST information element details

Global TFI
This information element contains the TFI of the mobile station’s downlink TBF or uplink TBF. This field is defined in sub-clause 12.10.

ESTABLISHMENT CAUSE (8 bit field)
The ESTABLISHMENT CAUSE field indicates the cause value of the RR connection establishment. This field is specified in 3GPP TS 44.018. The mobile station shall neither use cause values referring to answer to paging nor request of PDCH.