• A Strategic Initiative to Advance America's Telecommunications Infrastructure

Crown Castle + TeleFortress

High-Integrity SIP Over Metro Fiber & Enterprise Last-Mile Infrastructure

Crown Castle + TeleFortress

Crown Castle connects more than 90,000 route miles of fiber across dense metro areas, campuses, and municipalities, making it an ideal foundation for low-latency, last-mile voice delivery. TeleFortress partners with Crown Castle to offer federally compliant SIP trunking, STIR/SHAKEN call signing, and E911-ready voice infrastructure, built for resilient, SLA-backed communications environments.

“Crown Castle provides the metro reach. TeleFortress provides the compliance, clarity, and call trust.”

TeleFortress

Why Crown Castle + TeleFortress?

Metro Fiber for Real-Time SIP Transport

  • High-throughput SIP delivery over Crown Castle’s enterprise fiber
  • Low jitter and packet loss ideal for voice and UCaaS workloads
  • Integrated with Microsoft Teams, Cisco, Genesys, Zoom, and BYOC platforms

STIR/SHAKEN-Compliant Voice Path

  • Calls signed with Attestation A or B via TeleFortress’s trusted signature authority
  • CLI integrity monitoring and call trust scoring included
  • Full metadata capture and traceback readiness built in

E911-Ready Call Routing

  • Dispatchable location mapping for fixed or dynamic Crown Castle-served endpoints
  • Fully compliant with RAY BAUM’S Act and Kari’s Law
  • Emergency call path control with real-time failover routing

Ideal for Campus & Enterprise Deployments

  • Voice enablement for healthcare systems, universities, civic buildings
  • Works in urban cores, stadiums, hospitality clusters, or multi-site enterprise environments
  • Fiber resiliency supports regulatory uptime and multi-site voice aggregation

Ideal Use Cases

SIP trunking across Crown Castle’s fiber-connected metro buildings

Universities, hospitals, or data centers requiring E911 + CLI assurance

Municipal deployments (courts, public safety, smart city offices)

BYOC for UCaaS/CCaaS solutions across Crown Castle-served infrastructure

Redundant SIP paths for mid-market and enterprise voice resilience

Robotic hand with digital shield graphic
TeleFortress

What TeleFortress Delivers Over Crown Castle

FCC-licensed voice provider

STIR/SHAKEN token holder with CLI attestation and traceability

TLS/SRTP SIP trunking over private enterprise circuits

DID provisioning, CNAM branding, E911 routing & fraud defense

Registered with FCC Robocall Mitigation Database

From public safety to cloud voice infrastructure—TeleFortress and Crown Castle deliver trust and compliance where it matters.

Coverage Areas

TeleFortress SIP services are compatible across Crown Castle’s metro fiber presence in:

Launch SIP Over Crown Castle Fiber

Schedule a provisioning consult or request a compliance-first voice architecture design