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70-333 – Deploying Enterprise Voice with Skype for Business 2015

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Showing 7–9 of 10 questions

Question 7 (Mixed Questions)

You have a Skype for Business Server 2015 environment. All users are enabled for Enterprise Voice. You have a Microsoft Exchange Server 2013 organization that contains one server named EX01.

You plan to implement Unified Messaging (UM). From Skype for Business Management Shell, you run the following commands:

New-UMDialPlan-Name UMDialPlan-UriType “SipName” –VoipSecurity Secured –NumberOfDigitsInExtension 4 ExchUCUtil.ps1

From Event Viewer, you discover the following error message when Skype for Business Server 2015 attempts to transfer a call to UM: “Attempts to route servers in an Exchange UM Dialplan failed. No server in the dialplan UMDialPlan accepted the call with id [03b5ba2bf7ec4663bc43e8e49c246634].

Cause: Dialplan is not configured properly.”

You need to ensure that the Enterprise Voice users can receive voice mail.

Which two actions should you perform? Each correct answer presents part of the solution.

Select all that apply, then click Submit answer.

  • ○

    From the Exchange Management Shell, run the following command:
    New-UmAutoAttendant -name LyncAa -UmDialPlan LyncUMDialPlan -Status Enabled
  • ○

    From the Exchange Management Shell, run the following command:
    Set-UmCallRouterSettings EX01 -UmStartupMode Tls -DialPlans “UMDialPlan”
  • ○

    Change the value of the VoipSecurity of the UMDialPlan from Secured to SipSecured.
  • ○

    From the Exchange Management Shell, run the following command:
    Set-UmService EX01 -UmStartupMode Tls -DialPlans “UMDialPlan”
  • ○

    Change the value of the UriType property of the UMDialPlan from SipName to E.164.
Question 8 (Mixed Questions)

A customer’s network includes three offices and two data centers that are connected buy wide area network (WAN) links. The customer has documented and simulated Skype for Business usage within the current environment.

You review the simulation results and confirm that they are accurate.

You need to assess network readiness for Skype for Business.

What should you recommend as the next step?

Select an option, then click Submit answer.

  • ○

    Review Quality of Experience (QoE) reports.
  • ○

    Calculate audio capacity for a public switched telephone network (PSTN).
  • ○

    Calculate bandwidth estimations over the WAN links.
  • ○

    Perform traffic simulation.
Question 9 (Mixed Questions)

A company has a main office and five branch offices located in different cities. You configure Skype for Business Enterprise Voice for the main office.

You deploy a Survivable Branch Appliance (SBA) at a branch office and connect it to a public switched telephone network (PSTN) by using a T1 trunk line. You configure the SBA voice gateway to use fully qualified domain names (FQDN).

You test the branch isolation by disconnecting the wide area network (WAN) form the branch office and make an outbound call. The call was successful. Next, you make an inbound call to the branch office and the call fails.

You perform the following troubleshooting steps:

Trace the IncomingAndOutgoingCalls setting.

Use Snooper to analyze logs.

Review the syslog file form the SBA voice gateway.

You discover that messages are sent to the Skype for Business Mediation Server pool, but not received.

You reconnect the WAN from the branch office and make an inbound call. The call is successful.

You need to identify the configuration error that causes inbound calls to fail.

What should you check?

Select an option, then click Submit answer.

  • ○

    the Dynamic Host Configuration Protocol (DHCP) options for the branch DHCP server
  • ○

    the route settings for the SBA voice gateway
  • ○

    the status of the DNS services for the branch office domain controller
  • ○

    the DNS settings for the SBA voice gateway