XO Enterprise Cloud Communications Voice services

1. XO® ENTERPRISE CLOUD COMMUNICATIONS

2. Enterprise Cloud Communications What is XO Enterprise Cloud Communications? A highly scalable, cloud-based, Communications-as-a-Service (CaaS) offering Allows multi location businesses and organizations to: Dramatically reduce the capital investments and operating costs of managing enterprise-wide communications Accelerate the deployment of IP and unified communications Simplify IP communications infrastructures Provides end-to-end voice and data solutions Delivered over the XO nationwide private network

3. Partners With this solution: Delivery of IP voice is owned, delivered and managed through a long standing partnership among XO Communications and its XO technology suppliers: Broadsoft, Polycom and Cisco Multi-tenant offering is enabled through a virtualized cloud platform

4. Audience A great fit for organizations that: Have capital expense budget restrictions Want to focus more IT resources on the core business Ideal for organizations with many branches or campus-like environments Financial Healthcare Professional Services Education Retail

5. Growth of IP Voice Services Market Growth of Cloud-Based Voice IP Services By 2015, “60% of all North American enterprises will move at least 30% of their voice communications to the cloud”* The IP voice services market is growing at a 28.8% Compound Annual Growth rate* *Sources: Gartner Market Insight: IP Voice as a Service vs. Premises-Based Enterprise Telephony, North America, 010711; Gartner Predicts 2011: Adoption of Unified Communications, 112010

7. The ability to make the most use of bandwidth for both voice and data

10. Services covering all 50 states and 2,700 cities

11. One of the largest nationwide VoIP footprintsAvailable in entire XO network footprint

12. Next-Generation IP Communications Includes the highest quality IP Communications for your organization’s network Solution includes choice of five types of High Definition IP Phones paired with feature sets Some phones enabled with in-network High Definition video capabilities Gives you centralized control of advanced calling features with each phone package Allows your group administrators and individual employees to manage their own sets of calling features through a robust, secure online Management Portal Enables your business to benefit from Unified Communications now and in the future High Definition voice and video quality across the network Mobility features that allow users to seamlessly move conversations between cell phones and office phones, and work from anywhere

13. Performance and Reliability Provides exceptional performance 99.9% service availability for voice Pre-qualification best practices approach helps you determine VoIP readiness metrics for optimum delivery and quality of service Built-in quality of service monitoring for call clarity Includes business continuity built into the solution Failover within the XO cloud Redundancy built into XO network

14. Conceptual Illustration Since all of the applications for XO Enterprise Cloud Communications reside in the cloud, businesses can enjoy the benefits of IP communications without having the extensive upfront costs of installing new PBX equipment.

15. Features

16. Phone Sets Phone Sets An analog phone is also available for fax machines, which does not include a feature set package. Some models may not be available for phase 1 launch.

17. Available Calling Features Available Features Alternate Numbers Anonymous Call Rejection Automatic Call Back XO Anywhere Plus Busy Lamp Field Call Forwarding Always, Busy, No Answer, Not Reachable, Selectable Call Return, Transfer, Waiting Calling Line ID Delivery Blocking Do Not Disturb 4 Digit Extension Dialing Last Number Redial Multiple Call Arrangement N-Way Call Privacy Push-to-Talk Selective Call Accept & Rejection Shared Call Appearance Three-Way Call Voice Messaging-User

19. Infonetics market research report, North American Business VoIP Leadership Scorecard, 2011 ranked XO Communications as one of top two business VoIP providers

20. Frost & Sullivan recognized XO Communications as the leading North American VoIP and SIP Trunking provider, 2010

21. Ranked as having largest share of the market in terms of corporate end users in another 2010 Frost & Sullivan study