Methods and Devices for Applying for Media Transmission Permission, and Revoking Media Transmission Permission

摘要

A method for applying for media transmission permission and a method and apparatus for revoking media transmission permission are provided. A method for applying for media transmission permission includes the steps of determining by a first terminal that a second terminal needs to transmit media data, and transmitting the media by the first terminal to a mission critical service MCS server. Sending permission request indication information, wherein the media transmission permission request indication information is used to instruct the MCS server to grant media transmission permission to the second terminal.