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
