What are two functions of a SIP Proxy Server? (Choose two.)

Question

Options

• Acentralizes dial plans
• Bconnects to Call Router
• Chandles box-to-box redundancy
• Dhelps to centralize the administration and call control
• Eload balancer for HTTP and SIP

• A
  5% (2)
• B
  93% (41)
• C
  2% (1)

Explanation

A SIP Proxy Server routes SIP signaling messages between endpoints and acts as an intermediary in call setup - it connects to a Call Router (B) to determine where SIP requests should be forwarded, enabling intelligent call routing decisions across the network. It also functions as a load balancer for HTTP and SIP traffic (E), distributing incoming requests across multiple servers to ensure availability and prevent overload.

The distractors are wrong for these reasons: centralizing dial plans (A) is typically a function of a call control platform like Cisco Unified Communications Manager, not a proxy; box-to-box redundancy (C) is a failover/HA mechanism handled at a system or cluster level, not a core proxy function; and while a SIP Proxy does assist with routing, centralizing administration and call control (D) describes a call manager's role, not a proxy's.

Memory tip: Think of a SIP Proxy as a traffic cop at an intersection - it talks to a central dispatch (Call Router) to decide where cars go, and it balances the flow across multiple lanes (load balancer). It directs traffic; it doesn't own the roads (dial plans, admin control).

No community discussion yet for this question.