Call One

For 26 years, Call One has been designing and delivering communications technology.  Its offerings include UCaaS, SD-WAN, Internet/Data, Voice,...
Chicago, IL
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Provider Overview

For 26 years, Call One has been designing and delivering communications technology.  Its offerings include UCaaS, SD-WAN, Internet/Data, Voice, Managed Services and Continuity Services.  All of its services are scalable and flexible to meet the needs of small businesses, large enterprises and everything in between.

Call One Pricing and Services



  • Mobile-enabled for laptop, iOS and Android devices
  • Instant messaging, call jump, video calls, voice-to-text transcription
  • Microsoft Outlook® integration
  • Attendant and call center applications
  • Web portals for administrators and end users
  • Activity monitoring and reporting
  • Built-in business continuity


  • Redundancy and traffic flow efficiency
  • Security and threat management
  • Analytics and multi-function visibility
  • Multiple applications
  • Optimal circuit utilization
  • Cloud migration
  • Traffic shaping & routing
  • Eliminate bandwidth constraints
  • Simplified network management


  • Custom wireless Internet, data and security solutions
  • Fast upload and download speeds
  • Combine any connection types across locations
  • Flexible options to meet your bandwidth and performance needs
  • Primary and backup connections with true diversity
  • Scalable as your business changes
  • 7 x 24 US-based technical support
  • Extensive reach across North America
  • On-net and re-sold options, ranging from 3Mb to 10 Gb
  • Relationships with hundreds of the last mile and broadband providers


  • Call One owned and operated VoIP switch and network
  • Implementation by Voice and PBX experts
  • Over 9,000 rate centers served
  • Hassle-free porting
  • Multiple billing options
  • 7 x 24 US-based technical support
  • SIP Trunks
    • SIP or PRI delivery
    • With or without bundled calling minutes
  • Analog Business Lines
    • Includes bundled calling minutes
    • T38 available for fax
    • For connection to traditional phone systems
  • POTs Lines
    • When nothing else will do
  • Toll Free Service
  • Competitive International LD Rates
  • Directory Listings


  • Improve performance, reliability, and agility
  • Free-up time for strategic initiatives
  • Deliver a better experience for customers and users
  • Full-equipment configuration, pro-active monitoring, and support
  • 7 x 24 US-based Technical Support
  • Dashboards and reporting on carrier-grade platforms
  • Managed Router
    • Call One provided router or VoIP gateway with managed configuration, software updates, 7 x 24 monitoring, and break-fix replacement SLA.  Portal provides full access to performance metrics and reporting.
  • Call One UC
    • Unified Communications as a service solution includes complete design and implementation support, firmware and software updates, 7 x 24 monitoring and tech support.  Portal provides users and system administrators with full access to change features and system settings as well as reporting.
  • SD-WAN
    • Cloud-enabled SDN solution includes complete design and implementation of WAN, application, and security policies, firmware and software updates, 7 x 24 monitoring and tech support.  Portal provides deep visibility into network, site, and application performance, as well as threats and security events.  Customized reporting engine eases compliance challenges.


  • Expert Sales Engineering to develop resilient network solutions
  • Always-on proactive monitoring and alerts
  • Web-based portals for visibility and control
  • 99.99% core network up-time
  • 7 x 24 US Based Tech Support
  • Voice Continuity Services
    • Call One UC – provides computer client and mobile app communications options, from anywhere there is an Internet connection
    • Call One UC and SIP Trunks – Calls may be routed to alternative trunk groups or DIDs, either pre-set or on-demand via portal
    • 4G Wireless – provides an alternate path for calls should landline connection fail
  • Data Continuity Services
    • SD-WAN – multiple access connections enable your highest priority applications to use the best available path, without interruption
    • High Availability – Call One’s SD-WAN solution may be designed with HA software and equipment at one, some or all of your sites
    • Access Circuit Options – Call One’s ability to leverage scores of last mile providers enables true diversity to your important locations
    • 4G Wireless – provides an alternate path for IP traffic should a primary connection fail

*Contact Call One for pricing

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