XO IP Flex Services

What is IP Flex?

IP Flex gives you a simple bundle of business communications services that includes local and long distance voice, Internet, and a variety of popular calling features.

Why IP Flex?

Companies with one or more locations can simplify voice and data services using the award-winning VoIP over IP bundle from XO for a low, flat monthly rate.

Learn how IP Flex can support your business

Multi-location businesses, like retail and restaurant chains and financial services companies, can benefit significantly by using a single, nationwide provider to connect all locations with award-winning IP Flex service from XO.


Simplify the management of company-wide voice and data communications. With IP Flex, you gain:

A lower cost of ownership

Extend the life of your existing phone systems

Extensive availability nationwide

XO offers business-class VoIP in more markets than most other service providers

A solution that scales to your needs

Bandwidth options ranging from 1.5 Mbps to 100 Mbps

Reduce voice costs

Unlimited, free local and site-to-site calling among IP Flex locations

Easy administration

Configure and make changes to your voice features through a secure web-based portal


Take advantage of all that XO IP Flex has to offer your company: quality, productivity, flexibility, value, and convenience

Standard Voice Features


Voice and Data over a single IP circuit

  • Separate from the public Internet
  • Voice traffic is prioritized for maximum call quality
  • Internet speeds a re optimized when voice lines are unused

Unlimited calls

  • Unlimited local calling
  • Unlimited free site-to-site calling

One toll free number and a variety of calling plans

  • Make it easier for customers to get in touch

Robust voice call features

  • 3-way calling
  • Call hold, pick up, forwarding and transfer
  • Caller ID name, number or line block
  • Call return
  • Call waiting
  • Last number redial
  • Voicemail to Email
  • Do Not Disturb

Call Management features

  • Inbound call routing
  • Hunt groups (sequential, circular, uniform, simultaneous)
  • Direct inward dialing extensions (DIDs)
  • Direct outward dialing (DOD) and 2-way DID trunks

Dedicated Internet Access

  • Reliable, high-speed connectivity
  • Dynamic Bandwidth Allocation