ndover, reconfiguration) of the triggering of the connection re-establishment. Upon receipt of the RRC ReestablishmentRequest message, the gNB responds with the RRCSetup or RRCReestablishment message. The Reestablishment message is sent by the gNB entity and contains the following pieces of information: 254 NG-RAN and 5G-NR RRCReestablishment radioResourceConfigDedicated nextHopChainingCount radioResourceConfigDedicated: this element of information provides the characteristics of the radio carriers to be restored. nextHopChainingCount: this piece of information provides the parameter used to renew the encryption and integrity control keys. The ReestablishmentReject message is transmitted by the gNB to indicate the rejection of the request to re-establish the connection. The ReestablishmentComplete message is transmitted by the mobile to confirm the re-establishment of the connection. 9.2.6. Connection release The connection release procedure allows the radio resources to be released. The access network initiates the resource release connection, the mobile changes from the RRC_CONNECTED state to the RRC_IDLE state or to the RRC_INACTIVE state to suspend the connection. Table 9.8 provides the characteristics of the connection release message bearer. RLC mode Transport Logical channel Physical channel channel DL-SCH PDSCH Release Table 9.8. Support for messages relating to the connection release The Release message is transmitted by the gNB entity and contains the following information elements: RRCRelease rrc-TransactionIdentifier redirectedCarrierInfo cellReselectionPriorities suspendConfig idleModeMobilityControlInfo 5G-NR Radio Interface - Radio Access Procedure 255 redirectedCarrierInfo: this element of information allows the mobile to be redirected on a 4G radio channel. cellReselectionInfoPriorities: this element of information provides the priority levels for the selection of new cells. suspendconfig: this element of information is used to suspend the configuration of the terminal. The context is saved, and 