• A Strategic Initiative to Advance America's Telecommunications Infrastructure

Cox Business + TeleFortress

Trusted SIP Infrastructure Over Cox DIA, Metro Ethernet & Business Fiber

Cox Business + TeleFortress

Cox Business provides enterprise-class DIA, Ethernet, and broadband connectivity across more than 30 states, powering voice and data for healthcare networks, public institutions, universities, hospitality brands, and regional enterprises.

TeleFortress leverages Cox’s last-mile and metro connectivity to deliver secure SIP trunking, STIR/SHAKEN call authentication, and compliance-grade E911 routing, transforming broadband into a voice-first, CLI-trusted communications path.

“Cox delivers the network. TeleFortress delivers the compliance, control, and call integrity.”

TeleFortress

Why Cox Business + TeleFortress?

SIP Trunking Over DIA & Metro Ethernet

  • Deliver voice over Cox’s business-class internet, fiber, or coax
  • Supports Microsoft Teams, Zoom Phone, Cisco Webex, and all major UCaaS
  • Ideal for retail, healthcare, hospitality, education, and government sites

Full STIR/SHAKEN Call Authentication

  • All outbound calls signed with Attestation A or B
  • CLI reputation maintained, spoofing blocked, and traceability enforced
  • Includes call scoring APIs and CLI monitoring dashboards

E911 & Location-Based Routing

  • RAY BAUM’S Act and Kari’s Law compliance built in
  • DID-to-location mapping for dynamic or fixed Cox-served offices
  • Emergency services routing via geo-redundant SIP infrastructure

UC-Optimized + Regulatory-Ready

  • Perfect for UCaaS/VoIP over Cox Business Fiber or hybrid networks
  • Voice QoS maintained even over broadband or coax handoffs
  • Integrates with TeleFortress’s CLI enforcement, fraud controls, and number provisioning

Ideal Use Cases

Healthcare and public sector facilities served by Cox Business DIA

Universities and school districts deploying UCaaS + E911 support

Hotels and hospitality brands using VoIP over Cox fiber

Regional contact centers needing SIP with CLI trust

SMBs or clinics using UC over coax with secure SIP trunking

Robotic hand with digital shield graphic
TeleFortress

Trusted, Compliant SIP Over Cox

STIR/SHAKEN token holder + CLI trust scoring

TLS/SRTP-encrypted SIP trunking

FCC Robocall Mitigation Database (RMD) listed

E911 routing, CNAM branding, and DID APIs built in

Extend voice over Cox infrastructure with federal-grade compliance and voice integrity.

Coverage Areas

TeleFortress is SIP-accessible across Cox Business markets including:

Get Started with Cox + TeleFortress Voice Delivery

Schedule SIP provisioning, compliance audit, or STIR/SHAKEN interop planning