Global Carrier Services

Scalable, CLI-preserved call termination with direct interconnects and verified international routing.

Global Voice. Directly Delivered.

USTelco’s Global Carrier Services enable secure, low-latency voice delivery across international markets through a trusted chain of direct and compliant routes. We serve retail-focused carriers, VoIP operators, and Tier-1 infrastructure providers that demand real traceability and routing control. All outbound traffic is authenticated with STIR/SHAKEN or equivalent protocols where available, and we maintain active relationships with international traceback and anti-fraud coalitions.

CLI-verified international call termination

High ASR and low PDD across key global regions

No grey routes, SIM boxes, or gateway manipulation

Fraud-resistant routing & 24/7 NOC monitoring

FCC & ITG compliant

Built for those who can’t afford downtime, fraud, or failed calls.

Who This Is For

Our global termination network is engineered for retail-focused carriers, aggregators, and infrastructure teams who demand verified routes, CLI transparency, and traceable compliance — not cheap minutes from unreliable sources.

Call Centers

High-volume agents that rely on CLI clarity and real-time routing.

UCaaS / PBX Providers

Operators offering managed voice over SIP infrastructure.

Enterprises

Companies migrating from legacy PRI, TDM, or POTS lines.

Government & Defense

Agencies requiring U.S.-based, auditable voice traffic.

Let’s Build Your SIP Edge

Qualified partners receive configuration assistance, failover routing, and access to our compliance engineering team.

When your voice traffic performs, your business follows.

Measurable Results for Real-World Operations

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CLI integrity on outbound calls

Recognized by federal agencies and telecom authorities for compliant voice delivery

Certified. Trusted. Connected.

Ready to Get Qualified?

We evaluate every partner based on compliance, traffic integrity, and operational standards. If your team values verified routing, zero tolerance for spoofing, and national-grade voice quality — we’re ready to talk.