• A Strategic Initiative to Advance America's Telecommunications Infrastructure

Frontier + TeleFortress

Compliance-First SIP Trunking Over Regional Fiber & DIA Infrastructure

Frontier + TeleFortress

Frontier Business delivers secure, scalable connectivity through its fiber and Ethernet network, reaching underserved markets, distributed enterprises, and regional agencies across 25+ states. TeleFortress partners with Frontier to provide STIR/SHAKEN-enabled SIP trunking, E911 routing, and CLI-protected voice services over a private, low-latency infrastructure trusted by enterprises and public institutions.

“Frontier brings the fiber. TeleFortress brings the trust.”

TeleFortress

Why Frontier Business + TeleFortress?

SIP Over Fiber DIA & Ethernet

  • Private, low-jitter SIP trunking over Frontier’s business-grade access
  • Ideal for regional VoIP deployments, UCaaS platforms, and branch rollouts
  • Seamless SIP support for Microsoft Teams, Webex, Zoom, and BYOC voice stacks

STIR/SHAKEN-Ready Call Authentication

  • All outbound traffic signed with Attestation A or B
  • CLI protection against spoofing, flagging, and trust loss
  • Traceback logs and call reputation scoring available via API

E911 Compliance for Public Safety & Branch Sites

  • Compliant with RAY BAUM’S Act and Kari’s Law
  • DID-to-location mapping + routing for multi-tenant, mobile, or fixed endpoints
  • Supports public safety networks, school campuses, and clinics

Cost-Effective Voice Reach for Underserved Markets

  • Leverages Frontier’s last-mile footprint in rural and suburban regions
  • Supports resilient UCaaS/CPaaS routing and PRI-to-SIP transitions
  • Enables cloud voice access where fiber diversity is limited

Ideal Use Cases

Healthcare clinics, schools, and state agencies served by Frontier fiber

Mid-market and SMB voice infrastructure modernization

Emergency calling compliance for regional offices and public sector networks

Multi-site UCaaS deployments requiring SIP failover or primary ingress

VoIP over Frontier DIA in regions without Tier 1 provider access

Robotic hand with digital shield graphic
TeleFortress

Compliant SIP Infrastructure Over Frontier

FCC-licensed voice carrier

Full STIR/SHAKEN implementation and CLI reputation monitoring

TLS/SRTP SIP trunk encryption

E911 location routing, CNAM branding, DID APIs, and fraud controls

Listed in the FCC Robocall Mitigation Database and Industry Traceback Group

Gain regulatory-grade SIP voice without sacrificing reach, TeleFortress rides the last mile with Frontier to deliver trusted voice.

Service Availability

TeleFortress voice services are compatible with Frontier circuits in:

Get Started with Cox + TeleFortress Voice Delivery

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