Which three features does the SIP Proxy software provide when Cisco Unified Contact Center Enterprise, Cisco Unified Customer Voice Portal, and Cisco Unified SIP Proxy are used? (Choose three.)

Question

Options

• Acentralized dial plan
• Bload balancer for HTTP and SIP
• Cintegration with Cisco ISR using SM-SRE
• DN+1 or N.N redundancy
• Ebox-to-box redundancy
• Fdemarcation point between networks

• A
  91% (30)
• B
  6% (2)
• F
  3% (1)

Explanation

Cisco Unified SIP Proxy (CUSP) centralizes SIP routing logic into a single dial plan (A) rather than distributing it across multiple endpoints, simplifying administration. It integrates directly with Cisco ISR routers via the SM-SRE service module (C), allowing CUSP to run as software on the router itself. It also supports flexible N+1 or N:N redundancy (D), meaning one or more standby proxies can back up multiple active proxies - a model distinct from simple paired failover.

Why the distractors are wrong:

• B - CUSP is SIP-only; HTTP load balancing is outside its scope.
• E - Box-to-box redundancy (stateful paired failover) is a CUCM HA feature, not CUSP's model; CUSP uses N+1/N:N instead.
• F - Network demarcation is the role of a Session Border Controller (SBC/CUBE), not a SIP proxy.

Memory tip: Think "CuSP = Centralize, SM-SRE, Pool redundancy" - CUSP centralizes the dial plan, runs on ISR hardware, and scales redundancy in pools (N+1/N:N), not pairs.

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