• A Strategic Initiative to Advance America's Telecommunications Infrastructure

Global SIP & VoIP Solutions

Borderless Connectivity. U.S.-Compliant. Enterprise-Ready.

Global SIP & VoIP Solutions

For global carriers, cloud platforms, and multinational enterprises, delivering high-quality voice across regions, and into the U.S., has never been more complex.

With rising regulatory enforcement, authentication requirements, and the blocking of unauthenticated calls, global SIP is no longer just about reach, it’s about trust.

USTelco’s Global SIP & VoIP Solutions empower international operators to scale voice securely and legally, with full access to U.S. networks, nationwide DID and toll-free coverage, STIR/SHAKEN call signing, and AI-optimized route integrity.

“If you’re delivering voice into the U.S., we are your lawful ingress partner.”

What We Deliver

U.S. SIP Termination with STIR/SHAKEN Signing

  • Verified call signing for foreign-originated voice traffic
  • Attestation levels A/B/C based on customer and number validation
  • Guaranteed CLI integrity and passage through anti-spam filters
  • Real-time call scoring, fraud filtering, and performance-based routing

International SIP Origination & Two-Way Voice

  • DID and toll-free provisioning across major markets
  • Global SIP trunking to connect your locations, data centers, or platforms
  • Smart routing rules across regions, time zones, and redundancy clusters

Platform-Ready BYOC Infrastructure

  • Certified integrations with Zoom Phone, Microsoft Teams, Cisco Webex
  • Custom BYOC SIP trunks for CPaaS and CCaaS scaling
  • Geo-aware voice routing and load balancing for regional customer experiences

“We don’t just terminate glo

Enterprise & Platform Use Cases

Key Features

Global SIP trunk provisioning with local routing logic

U.S. voice termination with STIR/SHAKEN authentication

DID and toll-free coverage in 60+ countries

Encrypted SIP (TLS/SRTP) and secure SBC interconnection

Full CDR logging, fraud analytics, and compliance monitoring

24/7 NOC and onboarding support for international interconnects

Why Global Voice Through USTelco?

We eliminate the complexity of international compliance, so your voice gets delivered, protected, and trusted.

Global-Scale Infrastructure. U.S.-Grade Enforcement.

Whether you're routing across Asia, Europe, LATAM, or North America, USTelco provides a single global SIP partner with localized routing intelligence and federal-grade regulatory assurance.