Call One is a privately-held CLEC offering IP/Hosted Voice, UCaaS, Internet, WAN & business continuity products for mid-market firms, located in Chicago, IL. Working with over 60 leading carriers, their core network points overlap very well in IL, TX, and CA. Call One boasts a 97% retention rate since company inception in 1992, for which they credit their overall customer experience coupled with low-costs. Their average customers are mid-sized, multi-location businesses combining SIP/PRI, MPLS/VPLS, SD-WAN, and Internet.

Data Connectivity Products:
Coax Cable • DSL • EoC • Asymmetrical Ethernet • Fiber • DS1 • DS3 • MPLS/VPLS • Fixed Wireless • Wireless 3G/4G/5G • Wireless Backup

Voice Connectivity Products:
ISDN PRI • SIP Trunks • POTS

Cloud Products:
Hosted VoIP • BYOB VoIP • BYOD VoIP • Collaboration (UCaaS) • Video Conferencing • ZOOM • Fax-to-Email (standalone)

Managed Products:
Active Failover • SD-WAN • BYOB SD-WAN • Versa • Security • Firewall • Unified Threat Management • VPN • Anti-Virus • Monitoring & Reporting

Service Area:
Nationwide (all 50 states) • International

Web:
https://callone.com

Call One
Customer Service

General

800-440-9440

Technical

800-440-9440

Billing

800-440-9440

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