SAVE COSTS WITH BYOC

Bring your own carrier (BYOC) with Sinch Elastic SIP Trunking

With bring your own carrier (BYOC), you can plug in your existing voice carrier to Sinch’s enterprise-grade, geo-redundant network using Elastic SIP Trunking. Get flexible integration, keep your current contracts and numbers, and pay only for the minutes you use.

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

YOUR CARRIER, YOUR WAY

Flexibility, cost savings, and dependable call quality

Sinch BYOC makes it easy to choose the carrier you want, manage costs your way, and get high-quality calls without having to replace your existing setup.

Pay-as-you-go savings

Text: Pay only for the minutes you use. Keep your existing carrier rates and split usage by project for clear, predictable billing.

Elastic capacity on demand

Scale call capacity instantly with our geo-redundant network—no manual capacity planning needed, even when traffic spikes.

Self-service control

Create trunks, route numbers, and access real-time call detail records (CDRs) through an easy-to-use dashboard or REST APIs—without waiting on support.
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CONTROL COSTS

Cut costs with usage-based pricing

With Sinch BYOC, there are no channel fees or long-term bundles. You pay only for the calls you make and keep your existing carrier agreements while getting transparent, project-level billing.

  • Pay-as-you-go pricing with no channel fees

  • Keep your carrier contracts and rates

  • Clear project-level cost breakdowns

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QUALITY & COVERAGE

Get high-quality calls and broad coverage

Choose the best carrier for each region and combine it with Sinch’s extensive on-net U.S. coverage and thousands of rate centers. Reduce lag, prevent dropped calls, and deliver a consistent customer experience.

  • Over 95% on-net U.S. reach

  • Regional carrier flexibility

  • Geo-redundant network for reliability

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SMOOTH MIGRATION

Migrate to the cloud your way

Move at your own pace. Keep your numbers, contracts, and on-premises PBXs while connecting with new UCaaS or CCaaS platforms. No additional hardware needed—just configure a SIP trunk and you’re live.

  • Reuse existing PBX or SBC hardware

  • Keep your numbers without penalties

  • Mix cloud and on-premises for flexibility

HOW IT’S USED

Where businesses use Sinch BYOC

Call Centers

Handle unpredictable call volumes with elastic capacity, control costs, and improve global call quality.

Retail & E-commerce

Scale up during seasonal peaks or flash sales without long-term commitments or channel limits.

Healthcare

Deliver secure, reliable voice for patient outreach, telehealth, and emergency communications with encryption and E911 support.

Financial Services

Get compliant, high-quality voice for sensitive transactions and customer support, backed by robust network security.

BUILT-IN BENEFITS

What you get with Sinch BYOC

No Channel Fees

Truly elastic capacity. Scale to unlimited concurrent calls without per-session charges.

Full Self-Service

Set up trunks, numbers, and routing instantly through dashboard or REST APIs.

Comprehensive Security

TLS/SRTP encryption, IP ACLs, and Digest Authentication included at no extra cost.

Project-Based Billing

Easily segment usage and charges for department-level accounting.

Extensive US Coverage

Over 95% on-net reach with 12,800 rate centers for superior call delivery.

Advanced Analytics

Get real-time CDRs and packet captures for rapid troubleshooting.

Broad Compatibility

Works with platforms like Genesys, 3CX, Microsoft Teams, and more.

Enterprise-Grade Network

Our geo-redundant infrastructure is built for high availability.

Bring your own carrier (BYOC) frequently asked questions

Bring your own carrier (BYOC) lets you connect your existing voice carrier to cloud communication platforms using Elastic SIP Trunking. It gives you flexibility, cost control, and you can keep your current contracts and numbers.

Sinch BYOC uses Elastic SIP Trunking to route voice traffic to and from your chosen carrier. You configure a SIP trunk from your Sinch account to your platform (such as Genesys, 3CX, or Microsoft Teams), powering inbound and outbound calls.

Sinch offers over 95% on-net U.S. coverage, a single dashboard for all CPaaS services, and full self-service via UI and REST APIs, for more flexibility and control than many competitors.

No. You’ll never pay for concurrent calls or sessions, letting you scale as needed without penalties.

You need an IP-based voice system (PBX, SBC, UCaaS, or CCaaS) that supports SIP and a Sinch account with dashboard access.

Yes. Sinch BYOC supports STIR/SHAKEN attestation, TLS/SRTP encryption, and E911 compliance, meeting Kari’s Law and RAY BAUM’s Act requirements.

Yes. BYOC lets you keep your current numbers and carrier contracts, so you can migrate smoothly without extra fees.

Talk to an expert about BYOC

Keep your carrier contracts and numbers while powering UCaaS, CCaaS, and PBX platforms through Sinch’s geo-redundant Elastic SIP Trunking for unmatched flexibility and control.