Which two Cisco products allow the use of a dial plan with E.164, H.323, SIP, and DNS? (Choose two.)

Question

Options

• ACisco Expressway
• BCisco Unified Communications Manager
• CCisco Unified Border Element
• DCisco IM and Presence
• ECisco TelePresence Video Communication Server

• A
  96% (45)
• B
  2% (1)
• D
  2% (1)

Explanation

Cisco Expressway (A) and Cisco TelePresence Video Communication Server (VCS) (E) are essentially the same product family (Expressway is the evolution of VCS), both designed to support rich, multi-protocol dial plans. They natively handle E.164 number formats, H.323 URIs, SIP URIs, and DNS-based addressing in a unified dial plan. This multi-protocol flexibility is a core design feature. Cisco Unified Communications Manager (B) primarily uses E.164 and some SIP/DNS but is not designed around H.323 dial plans in the same unified way. CUBE (C) is a session border controller that translates protocols but is not a dial plan engine. Cisco IM and Presence (D) handles presence and instant messaging, not voice/video dial plans.

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