METHODS, APPARATUS AND SYSTEMS FOR CHANGING THE LINKAGE BETWEEN MCPTT USERS AND MCPTT GROUPS

摘要

Embodiments of the present invention provide a method, apparatus, and system for changing the association between an MCPTT user and an MCPTT group. A method for changing an association between an MCPTT user and an MCPTT group includes: receiving, by a first network element device, an association change request sent by a first user equipment (UE), the association change request comprising request information Wherein the request information is used to indicate that a first Mission Critical Push To Talk (MCPTT) user requests to change the association between the second MCPTT user and the first MCPTT user, An MCPTT user using the first UE; And establishing the association between the second MCPTT user and the first MCPTT group according to the association change request by the first network element device. The present invention implements the MCPTT user changing the association between another MCPTT user and a group.