How can you configure an H.323 gateway so that it is controlled by the Cisco Unified CallManager?

A.
Configure the gateway on the Cisco Unified CallManager, and it will automatically configure the gateway.

B.
Use the H.323-gateway voip srcadd gateway command to bind the gateway to the Cisco Unified
CallManager.

C.
Use the telephony-service ccm-compatible gateway command to enable the Cisco Unified CallManager to control the gateway.

D.
The Cisco Unified CallManager and the H.323 gateway are peers. The Cisco Unified CallManager does not control H.323 gateways.