What will an endpoint do when an H.323 endpoint requires a change to a higher bit rate codec during a call?
A.
Send a Bandwidth Reject (BRJ) to the gatekeeper.
B.
Send a Bandwidth Interrupt (BRI) to the gatekeeper.
C.
Send a Bandwidth Request (BRQ) to the gatekeeper.
D.
Send a Disengage Request (DRQ) to the gatekeeper.
E.
Send a Change Codec Request (CCR) to the gatekeeper.