name: CRNC
full_form: Controlling RNC
context: Figure 27B Reset procedure (Node B to CRNC ), Successful Operation The procedure is initiated with a RESET REQUEST message sent from the Node B to the CRNC using the Node B Control Port. If the Reset Indicator IE is set to "Communication Context", for all indicated CRNC Communication Contexts (indicated by a CRNC Communication Context ID or a Node B Communication Context ID IE), the CRNC shall remove the information related to this Node B and all the radio resources allocated in the CRNC. The CRNC shall also initiate release of the user plane transport bearers towards the Node B involved in the indicated CRNC Communication Contexts. After clearing all related resources, the CRNC shall return the RESET RESPONSE message to the Node B. If the Reset Indicator IE is set to "Communication Control Port", for all the CRNC Communication Contexts controlled via the indicated Communication Control Port(s), the CRNC shall remove the information related to this Node B and all the radio resources
description: The Controlling RNC (CRNC) is a network function responsible for managing and controlling multiple Node Bs in a UMTS (Universal Mobile Telecommunications System) network. It plays a crucial role in resetting and releasing resources, as well as managing communication contexts and transport bearers.
explanation: Based on the context provided, the CRNC directly manages and controls Node Bs, handles resource management tasks like resetting and releasing, and oversees communication contexts and transport bearers. These functions are characteristic of a Network Function within a telecommunications system.
section_title: 8.2.19.2.2	Reset Initiated by the Node B
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