Absolute Free 300-815 Exam Practice for Comprehensive Preparation 

Which action is correct with respect to toll fraud prevention configuration in the Cisco Unified Communications Manager Express?

Cisco SIP IP telephony is implemented on two floors of your company. Afterward, users report intermittent voice issues in calls established between floors. All calls are established, and sometimes they work well, but sometimes there is one-way audio or no audio. You determine that there is a firewall between the floors, and the administrator reports that it is allowing SIP signaling and UDP ports from 20000 to 22000 bidirectionally. What are two possible solutions? (Choose two.)

A newly deployed site in Pennsylvania uses SIP-to-SIP legs on a Cisco Unified Border Element. The administrator wants to match the incoming dial peer based on the calling number. Which configuration is needed in the dial-peer?

A user reports when they press the services key they do not receive a user ID and password prompt to assign the phone extension. Which action resolves the issue? 

A company has an SRST gateway running an IOS XE image. The company plans to enable the IPv6 addressing companywide. To enable the IPv6 in a unified SRST gateway to support SIPphones, what are two supported supplementary features for an IPv6 fallback scenario? (Choose two.)