The following CCNA Voice Exam objectives are covered in this chapter:
Describe the components of the Cisco Unified Communications Architecture.
Describe the function of the infrastructure in a UC environment.
Describe the function of endpoints in a UC environment.
Describe the function of the call processing agent in a UC environment.
Describe the function of messaging in a UC environment.
Describe the applications available in the UC environment, including Mobility, Presence, and TelePresence.
Describe and configure gateways, voice ports, and dial peers to connect to the PSTN and service provider networks.
Describe the differences between PSTN and Internet Telephony Service Provider circuits.
Once the key ...