Microsoft Deploying Enterprise Voice with Skype for Business 2015 : 070-333 Exam

Exam Code: 070-333
Exam Name: Deploying Enterprise Voice with Skype for Business 2015
Updated: Oct 24, 2026
Q & A: 140 Questions and Answers

About Microsoft Deploying Enterprise Voice with Skype for Business 2015 : 070-333 Exam Questions

As 2026 rolls on, DumpsActual keeps its promise to 070-333 candidates — 140 practice questions for the 070-333 exam with verified answers, three formats chosen by you, immediate delivery, and a support team that never feels regret about earning its rest late.

Microsoft 070-333 Exam Syllabus Topics:

Section	Objectives
Topology and Deployment	- High Availability and Redundancy - Site Topology and Trunk Configurations
Enterprise Voice Design	- Voice Policy and PSTN Usage - Dial Plan Design
Network and Infrastructure Planning	- QoS Planning and Voice Traffic - Mediation Server and Gateway Placement
Response Groups and Features	- Response Group Configuration - Call Park, Delegation, and Services

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Enterprise Voice Design ()
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Response Groups and Features ()

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About 126–140 questions in 120 minutes minutes. Rehearsing at that exact pace with 140 practice questions for the 070-333 exam makes the real session familiar rather than frightening.

Are there prerequisites for 070-333?

Recommended experience with Skype for Business Server 2015 deployment, Enterprise Voice planning, and Microsoft unified communications technologies.

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Microsoft Deploying Enterprise Voice with Skype for Business 2015 Sample Questions:

Question #1

You need to configure the unassigned numbers range to support the planned changes.
Which four actions should you perform?
To answer, move the four appropriate actions from the list of actions to the answer area and arrange them in the correct order.

Reveal Solution Discussion 0

Correct Answer:

Explanation

Topic 1, Litware, inc
General Overview:
Litware, Inc. is a marketing company that has 20,000 users.
Physical Locations:
Litware has a main office and a branch office. The main office is located in New York. The branch office is located in Montreal.
The offices connect to each other by using a WAN link. Each office connects directly to the Internet.
Each office has a firewall between the internal network and the perimeter network. Each office has a firewall between the perimeter network and the Internet.
Existing Environment
Active Directory Infrastructure
The network contains an Active Directory Domain Services (AD DS) forest named litware.com. The forest contains a single domain. All domain controllers run Windows Server 2012.
Each office contains two domain controllers. Each office is configured as an Active Directory site.
Skype for Business Server Infrastructure
The network contains a Skype for Business Server 2015 infrastructure. The infrastructure contains 12 servers.
The servers are configured as shown in the following table.

Litware uses the following Skype for Business features:
Instant messaging (IM)
A/V conferencing
The Skype for Business Server 2015 infrastructure is configured to use federation with users at a partner company, which is named Contoso, Ltd. Contoso has a SIP domain named contoso.com. The users at Contoso use Microsoft Skype for Business Online.
Litware has a Microsoft Exchange Server 2013 organization. You integrate Exchange 2013 with Skype for Business Server 2015.
Planned Changes
Litware plans to implement the following changes:
Enable Enterprise Voice for all users.
Add IP phones to the existing VLANs.
Add a SIP trunk to each site.
Problem Statements
Litware identifies the following issues:
The current firewall configurations allow all ports and all protocols to the Skype for Business Server 2015 infrastructure.
A change to the Skype for Business hosted provider proxy FQDN recently caused the federation with contoso.com to become unavailable.
Requirements
Business Goals
Litware plans to minimize hardware and software purchasing costs.
Technical Requirements
Litware identities the following technical requirements:
The Enterprise Voice solution must ensure that calls to Canada are routed through the SIP trunk in the Montreal office. Litware identifies 39 area codes and a country code of 1 for Canada. You must minimize the number of voice routes that you must create.
The Enterprise Voice solution must ensure that calls to any country besides Canada are routed through the SIP trunk in the New York office. Litware identifies 269 area codes and a country code of 1 for the United States.
If the SIP trunk in the New York office fails, users in the Montreal office must be able to place international calls.
The provider of the New York SIP trunk requires that the 011 prefix be used to make all international calls.
Rules exist to ensure that dialed numbers conform to E.164 standards.
Application sharing for up to 200 simultaneous remote users and 100 simultaneous internal users in a single conference must be supported. Each application sharing session uses 500 Kbps. Only users on the internal network are presenters of the conferences. You must minimize the amount of bandwidth needed to application sharing.
Users in the New York and Montreal offices must be able to dial a local number to access their voice mail remotely. Subscriber access must be available in French for the Montreal office users and in English and Spanish for the New York office users.
Skype for Business Phone Edition devices must be supported.
Users must be able to access their voice mail only from the Skype for Business client by clicking Call Voice Mail.
You must minimize the number of access numbers and UM dial plans that you create.
Security Requirements
Allow only the required communications through the firewalls for the supported Skype for Business services.
Response Group Requirements
Litware plans to create a response group for support calls to meet the following requirements:
Incoming calls must be routed to any support staff who are online and available.
If the support call is not answered by a support staff member, the call must be forwarded to the group of managers on call that day.
Calls forwarded to the managers must be sent to the manager who has not answered a support call in the longest amount of time.

Question #2

You need to design the Call Park solution.
Which Call Park design should you choose? To answer, select the appropriate range and application server in the dialog box in the answer area.

Reveal Solution Discussion 0

Correct Answer:

Explanation

Question #3

Your company has a Skype for Business Server 2015 infrastructure and a Microsoft Exchange Server 2013.
The Skype for Business Server 2015 infrastructure has Enterprise Voice enabled and uses a global four-digit dial plan.
The Exchange Server organization has Unified Messaging (UM) enabled and uses a four-digit UM dial plan named DialPlan1. All dialing restrictions are set to allow All.
You need to ensure that only the users in the research department can use the Play on Phone feature.
Which two actions should you perform? Each correct answer presents part of the solution.

A. Create a new UM mailbox policy.
B. Create a new UM dial plan.
C. Modify DialPlan1.
D. Modify the default UM mailbox policy.
E. Create a new hunt group.

Reveal Solution Discussion 0

Correct Answer: A,D 🗳️

Question #4

You need to create the DHCP options required for Skype for Business Phone Edition devices.
Which three actions should you perform? To answer, move the three appropriate actions from the list of actions to the answer area and arrange them in the correct order.

Reveal Solution Discussion 0

Correct Answer:

Explanation

Question #5

Problem Statements
Two users who recently joined the company's finance department report that they are not able to use their Aries phones even when they tether the phone to their computer.
You need to implement voice resiliency for international calls.
Which three actions should you perform in sequence? To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.

Reveal Solution Discussion 0

Correct Answer:

Explanation

Topic 4, Tailspin toys
Tailspin toys is a toy manufacturer. The company headquarters is located in Melbourne. The company has a design and development office located in Singapore. The company also has branch offices in Hong Kong, Jakarta, Tokyo, Sydney, and Auckland. Tailspin Toys has implemented Skype for Business Server 2015 and is actively using instant messaging (IM), presence, peer-to peer audio and video, conferencing, remote access, and federation. The company uses Exchange Online.
The number of users in each office is shown in the following table:

Existing Environment
Networks
You have the following networks:

The network latency between each branch site and the central site is more than 25ms. Based on the network latency, you use the RTAudio codec for all public switched telephone network (PSTN) calls from the branch sites.
All Windows desktop client computers run Windows 7, Windows 8.1, or Windows 10 and are domain joined.
Skype for Business
Singapore and Melbourne each have the following Skype for Business Server 2015 components:
A front-end pool with three front-end servers
A back-end pool that is configured as a two server SQL AlwaysOn availability group A single Edge Server A single Reverse Proxy server A single Office Web App server Tailspin Toys currently uses a third-party dial-in conferencing provider. Moving dial-in conferencing from the third-party dial-in conferencing provider to the new Skype for Business solution will add a maximum concurrency of 50 PSTN calls to the Melbourne and Singapore sites, respectively.

PBX and Dial plans
The following table shows the call load for the existing IP PBX solution:

The following table details the Dial Plan for the Sydney office:

User issues
Users report the following issues:
Users in Hong Kong report issues with media quality when using Skype for Business conferencing features.
Users who need to use Call Via Work report that this option is not visible in their desktop client.
Users in the Auckland office report issues regarding call quality. You identify that the issue relates to use of non-qualified devices. You purchase new qualified devices and have delivered the device to the Auckland office.
After the migration from the existing IP-PBX, users in Sydney report that they cannot make calls to mobile numbers.
User1 is located in the Auckland office. User1 reports persistent call quality issues. You generate the following diagnostic report for User1:
Caller Device and Signal Metrics:

Audio Stream (Caller->Callee)

Audio Stream (Callee -> Caller)

Requirements
Business Requirements
You have the following business requirements:
You must centralize voice services and reduce the costs associated with long distance and international calls.
You must implement a single voice solution across the enterprise.
Any planned changes to the solution must minimize administrative and financial costs.
Executives must be allowed to use third party tablets and mobile devices.
Executives must be able to receive inbound calls even under bandwidth constrained situations.
Technical Requirements
You have the following technical requirements. The new Skype for Business solution needs to replace the existing third-party party dial-in conferencing provider.
Network requirements:
Prioritize Skype for Business traffic on the network where possible.
Avoid over-subscription on bandwidth constraint network sites.
Unified Messaging requirements:
Tailspin toys prefers to use voice mail as part of Exchange Online.
Enterprise Voice requirements:
Provide enterprise voice to all users in all locations.
Ensure that the solution is highly available.
PSTN connections must be centralized to Melbourne and Singapore.
You must implement Call Via Work functionality for specific users.