Implementing Cisco Advanced Call Control and Mobility Services (CLACCM) — Question 20

Which top-level IOS command is needed to begin the configuration of a Cisco Unified Communications Manager Express gateway to enable phones to be registered via SIP?

Answer options

• A. allow-connections sip to sip
• B. voice service voip
• C. voice register global
• D. voice register dn

Correct answer: B

Explanation

The correct answer is B, 'voice service voip,' as this command initiates the voice service configuration, which is essential for enabling SIP functionality. Options A, C, and D are related to SIP and voice registration but are not the initial command needed for setting up the voice service.