In telecommunications, the Megaco (H.248) call-control protocol communicates between which of the following?

In telecommunications, the Megaco (H.248) call-control protocol communicates between which of the following?

• Contexts and call agents
• A network and a subnetwork
• Two peers
• A gateway controller and a gateway 

 

EXPLANATION

Megaco (media gateway control protocol architecture) is a a signaling protocol that enables switching of voice, fax and multimedia calls between the PSTN and IP networks. It is used between the Media Gateway and Media Gateway Controller in a VoIP network. Megaco is also known as H.248.