1. A method comprising:receiving, by a policy and charging rules function (PCRF) from a mission critical video (MCVideo) application function, a DIAMETER AA-Request (AAR) command to establish an MCVideo bearer, wherein the DIAMEER AAR command comprises:
an attribute value pair (AVP) comprising an MCVideo-identifier identifying an MCVideo service;
one or more quality of service (QoS) parameters indicating a QoS of the MCVideo service; and
a priority of the MCVideo service;
determining, by the PCRF, one or more policy and charging control (PCC) provisions based on: the MCVideo-identifier, the one or more QoS parameters, and the priority of the MCVideo service; and
transmitting, by the PCRF to a policy charging enforcement function (PCEF), a DIAMETER command comprising the one or more PCC provisions.