TIER-1 VOICE NETWORK 

What is Sinch’s US Super Network?

The Sinch US Super Network is a Tier-1, carrier-grade voice network that brings you superior call quality, reliability, and reach wherever you do business. With direct connections to every Tier-1 US mobile carrier and a geo-redundant, cloud-native architecture, it delivers crystal-clear voice at any scale. 

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Join over 150,000 businesses, including 8 of the 10 largest tech companies in the world

WHY SINCH 

Why businesses rely on Sinch Voice 

Connect your business to the Sinch US Super Network for unmatched reliability, smooth growth, and lower costs, all backed by Sinch Voice expertise.

Rock-solid reliability

Geo-redundant data centers and 99.999% uptime keep calls crystal-clear with minimal disruptions, even during unexpected events.

Effortless global scaling

Instantly handle varied call volumes and worldwide traffic without system limits or slowdowns.

Lower vendor overhead

Working with one provider reduces carrier complexity, keeps management simple, and lowers costs.
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BUSINESS-CRITICAL RELIABILITY

Keep every call crystal-clear with unmatched reliability

The US Super Network’s geo-redundant design and 99.999% uptime make sure your team, clients, and customers stay connected without expensive downtime.

  • Geo-redundant data centers

  • Direct Tier 1 carrier connectivity

  • 99.999% uptime

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GROW WITHOUT LIMITS

Scale instantly to meet any traffic demand

Whether you’re dealing with seasonal spikes, rapid growth, or global expansion, the US Super Network keeps up automatically, so your voice communications never miss a beat—without having to re-engineer everything.

  • Handle unpredictable call volumes

  • Support PSTN, SIP, and WebRTC traffic

  • Low-latency delivery

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SIMPLIFIED OPERATIONS

Make voice management easier with one trusted partner

Use the US Super Network as the foundation for every Sinch Voice product, cutting down on carrier sprawl and lowering total cost while giving you unified control through dashboards and APIs.

  • One provider for all voice needs

  • Self-service management tools

  • Lower total cost of ownership

WAYS TO USE IT

Where the US Super Network excels

Enterprise Communications

Upgrade from shaky legacy systems to enterprise-grade quality and compliance, so every critical call goes through without issues.

Customer Support Centers

Scale smoothly to meet unpredictable call volumes while delivering high-quality voice for smooth, professional customer interactions.

Global Business Operations

Simplify worldwide communications with global reach through over 600 carrier connections and consistent performance.

Secure Voice Infrastructure

Stay compliant and secure with a network designed for carrier-grade data protection and resilient voice delivery.

THE SINCH DIFFERENCE

What sets the Sinch Voice Network apart

Direct carrier connectivity

Clear, reliable calls with direct links to all Tier 1 U.S. mobile carriers.



Global network reach

Reach customers worldwide through over 600 carrier connections without added complexity.


Enterprise-grade reliability

Geo-redundant data centers deliver 99.999% uptime for mission-critical voice.

Multi-protocol support

Handle PSTN, SIP, WebRTC, and IP-based voice, all on one network.



Advanced voice capabilities

Get call routing, IVR, recording, transcription, and number masking.


Real-time management

Use self-service dashboards and APIs for instant visibility and control.


Cloud-native architecture

44 redundant points of presence (POPs) integrated with AWS deliver low-latency call delivery.

Low-latency delivery

High-quality voice across all protocols without added delay.



Frequently asked questions about the US Super Network

The Sinch US Super Network is a Tier-1, carrier-grade voice network with direct connections to all Tier 1 US mobile carriers. It features geo-redundant data centers, a cloud-native architecture, and 44 redundant POPs for high-quality, low-latency calls.

Sinch owns and operates the network, with geo-redundant architecture and direct Tier 1 carrier connections. Deep AWS integration and 44 redundant POPs deliver high-quality, low-latency voice.

The US Super Network powers all Sinch Voice products, including Voice API (Programmable Voice), Elastic SIP Trunking, and In-App Voice & Video.

The Super Network supports PSTN, SIP, WebRTC, and IP-based voice, providing compatibility with a variety of communication systems.

Geo-redundant data centers and 99.999% uptime deliver crystal-clear voice with minimal interruptions, keeping critical calls on track.

Pricing depends on the specific Sinch product using the network, so you can pick what you need.

Call routing, IVR, recording, transcription, and number masking are available and managed through self-service dashboards and APIs for real-time control.

Yes. The US Super Network offers global reach with over 600 carrier connections, making it ideal for companies with worldwide operations.

Absolutely. The network is designed to scale effortlessly and adapt instantly to meet spikes in traffic without performance trade-offs.

Yes, it is purpose-built to meet enterprise security and data protection requirements, supporting compliance for regulated industries.

The network supports PSTN, SIP, WebRTC, and IP-based voice, providing compatibility with modern and legacy systems.

Talk to an expert about our voice services

Power your calls on Sinch’s Super Network—built for reliability, scale, and crystal-clear connections.