Enterprise SIP

  • Simplify VoIP Across Multiple Locations

    Managing communications across the enterprise can be costly, time-consuming, and complex—but it doesn’t have to be that way. With XO Enterprise SIP, you can use your existing phone systems and MPLS network to deliver VoIP across multiple locations, streamline the management process and reduce costs. Using just one or a few of your existing IP-PBXs and private network, Enterprise SIP lets you:

    • Centralize, standardize and simplify the delivery of VoIP services to your locations
    • Avoid installing and maintaining multiple IP-PBX systems and local voice trunks at each of your locations
    • Call any on-net site without incurring long distance charges
    • Dynamically share voice calling capacity across the entire enterprise

    What you can expect from XO Enterprise SIP Trunking

    • Simplified management:  Lower costs and fewer headaches with simplified, streamlined management of voice services across your enterprise
    • Reduced operating costs:  Slash expenditures by eliminating local voice trunks, long distance charges between business locations, and the setup and maintenance costs of managing separate voice and data networks
    • Superb quality:  Experience superior call quality and reliability
    • Improve efficiencies:  Share idle voice trunk capacity across locations
    • Provide Voice over IP services to branch locations:  Let all of your enterprise locations experience the benefits of VoIP
    • Centralized voice service management:  Standardize the management of your voice services
    • Extra protection:  When needed, encryption is available that uses either one or both of the industry standards for SIP signaling: SRTP and TLS
    • Available nationwide:  Enjoy unparalleled coverage

    Enterprise SIP Offers a Centralized Solution for Businesses with multiple locations

    XO Enterprise SIP offers a centralized solution that is ideal for businesses with more than one location. Need a scalable solution for a business with one or several isolated sites? Learn more about how XO SIP Trunking can help your business.

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  • Standard Features

    • Simple pricing:  Port-based pricing, regardless of the number of lines or sessions
    • Scalable bandwidth:  From 1.5 Mbps to 1 Gig
    • Flexible choices:  Choose from a range of calling plans; and choose an XO managed router or provide your own
    • Convenient administration:  Easily manage voice features via a secure online portal
    • Lab-certified interoperability with leading IP-PBXs.
    • Business-friendly features:         
      • Access to Local Direct Inward Dialing Numbers (DIDs) and a Web Basics hosting package
      • Full local and long distance, inbound and outbound calling 
      • A toll-free number
      • 1,000 telephone numbers
      • Local Number Portability
      • E911 without the need for additional lines
      • Directory Assistance
      • Operator Services
      • Directory Listing for telephone numbers
      • Caller ID with Name (CNAM) for telephone numbers

    Optional Features

    • Worktime: Mobile VoIP App allows you to work from anywhere as if you were in the office
    • Redundancy:    Re-route traffic to another Enterprise SIP trunk
    • Automatic Call Routing:  Stay connected in the event your PBX can't be reached
    • Compression:  With a  G.729a codec you can make more simultaneous calls on the same bandwidth
    • Additional DIDs:  Available in blocks of 20 or 100
    • Additional toll-free numbers 
    • Conferencing services
    • Web hosting packages that are larger and more robust, with the option to add additional email accounts
    • Account Code support:  Verified & non-verified
    • Remote/Virtual TNs:  Let customers reach your business without having to dial long distance
    • Bursting:  Go above your purchased voice capacity when needed
    • International outbound calling:  Connections to more than 200 countries, all on the same bill
    • Managed security:  XO Managed Firewall prevents unauthorized access to internal networks
    • Managed Router: improves network operations, capacity planning, and efficiency by outsourcing monitoring of data network routers 





  • Enterprise SIP Trunking Network Architecture

    Enterprise SIP Trunking