What is Bring Your Own Carrier (BYOC)? How It Works？

In today’s global business environment, traditional single-carrier SIP trunk models often fall short in meeting the needs of modern enterprises—especially those with distributed teams and hybrid work environments. This limitation has led to the rise of Bring Your Own Carrier (BYOC)—a model that empowers businesses to break free from restrictive telecom contracts and build a flexible, cost-effective, multi-carrier ecosystem tailored to their specific needs.

Jump to ↓

What is Bring Your Own Carrier?
How does Bring Your Own Carrier work?
Benefits of Bring Your Own Carrier Solution
Navigating SIP Carrier Selection
Yeastar-Certified SIP Trunk Providers

What is Bring Your Own Carrier?

Bring Your Own Carrier (BYOC) is a forward-thinking telecom model that allows organizations to select and integrate their preferred SIP trunk providers or telecom carriers with their existing cloud or on-premise phone systems.

Traditionally, enterprises were locked into rigid, bundled carrier agreements that often failed to address their unique requirements. As businesses expand and adapt, the need for a more flexible and open telecom infrastructure has become increasingly critical.

With BYOC solution, businesses gain full control of their communication systems. They can route VoIP traffic through carriers of their choice- maximizing value, performance, and flexibility.

How does Bring Your Own Carrier work?

On-Premise PBX + Multi-Carrier SIP: Organizations with on-premise PBX systems can integrate multiple SIP trunks and select local providers. This setup helps reduce costs, avoid number porting, and streamline call management—while leveraging existing infrastructure.
Cloud PBX+Carrier-Agnostic VoIP: Cloud PBX systems can seamlessly support multiple SIP trunks with intelligent call routing based on cost and call quality. This model is ideal for businesses with remote workforces and those utilizing UCaaS platforms.
UCaaS + Open Carrier Selection: Organizations can connect their preferred SIP trunks to platforms like Microsoft Teams or Zoom. This integration enhances collaboration, reduces calling costs, and avoids additional fees from UCaaS calling plans.

Benefits of Bring Your Own Carrier Solution

Why should businesses adopt BYOC? Here are several key advantages:

Cost Savings Through Carrier Flexibility: Organizations can select the most cost-effective carrier for each region, avoiding high prices from a single provider.
Preserve Existing Infrastructure: BYOC supports legacy PBX systems, cloud-based UCaaS, or hybrid VoIP setups. Businesses can maintain their current telecom infrastructure while using preferred SIP trunks.
Global Coverage with Local Access: Multi-carrier support ensures global reach while enabling access to local numbers and services.
Enhanced Compliance and Security: Selecting carriers that meet regulatory standards allows organizations to better align with industry-specific compliance and security requirements.
Improved Negotiation Power with Carriers: BYOC helps businesses negotiate directly with SIP trunk carriers or local providers. They can compare rates, check performance, and manage service-level agreements (SLAs) without middleman limits. This better visibility creates an open vendor system.

In conclusion, this carrier-agnostic communications framework represents the new standard, delivering the flexibility, cost efficiency, and control required for success in dynamic markets.

Navigating SIP Carrier Selection

Choosing the right SIP trunk provider is critical but can be challenging. Businesses must consider geographic coverage, compliance risks, and technical compatibility. Here are key criteria for selecting the right carrier:

Assess Coverage Requirements: Identify countries where local DIDs are needed and ensure the carrier supports both local and international calling needs.
Compare Costs Transparently: Request detailed rate cards, clarify monthly commitments and hidden fees to minimize the cost worry.
Ensure Technical Compatibility: Ensure codec support, test SIP protocol compliance, and check session border controller compatibility.
Audit Security and Compliance: Confirm data center locations, require enterprise-grade encryption, and review necessary certifications.
Conduct Real-World Testing: Request trial access to evaluate call quality, redundancy, and support responsiveness.

Yeastar-Certified SIP Trunk Providers

To help our PBX users deploy seamless BYOC (Bring Your Own Carrier) solutions, Yeastar cooperates with worldwide trunk providers, ensuring global voice connectivity with ease and reliability.

All certified providers undergo rigorous interoperability testing with Yeastar PBX systems. Their SIP trunks are pre-configured and fully compatible, allowing users to integrate telephony services effortlessly—without complex manual setup.

Whether you’re deploying locally or internationally, you can rely on trusted, high-quality voice services worldwide.

Yeastar has partnered with a global network of leading SIP trunk providers, including Twilio, Vodacom, Gamma, Sewan, Flex and more.

Becoming a certified provider opens doors to new business opportunities and strategic growth. Certified providers receive:

Priority Business Access: Get listed as a pre-configured SIP trunk provider in Yeastar PBX systems—reaching over 650K global users and gaining enhanced brand exposure via Yeastar’s official website and communications.
Growth Enablement: Enjoy dedicated integration support, co-branded marketing assets, and joint campaigns to extend your services across new markets and regions.

Join the Future of Unified Communications with Yeastar

As enterprise communications rapidly shift toward cloud-based and flexible solutions, internet telephone service providers (ITSPs) have a unique opportunity to unlock new revenue and deliver complete communication solutions to their customers.

Yeastar unified communications solution powers you to build and scale your own UCaaS offering—under your brand, on your infrastructure, and tailored to your clients.

Why Partner with Yeastar?

Deliver full-featured UC and contact center solutions tailored to diverse customer needs.
Brand your offerings with white-label services to strengthen market visibility and loyalty.
Scale easily with multi-instance deployments for streamlined client management.
Customize freely with open APIs and SDKs—build the service your customers want.
Seamlessly integrate your own SIP trunk with Yeastar PBX to deliver end-to-end UC services under your brand.
Easily onboard customers with auto-provisioning for over 450 IP phone models across trusted brands like Yealink, Fanvil, NEC, Cisco, and others.
Stay ahead with regular feature updates and innovation rollouts.
Manage efficiently with a purpose-built portal designed for ITSPs.
Deploy flexibly in your own data center or ours—whatever suits your strategy.

We’re inviting forward-thinking ITSPs to join us in shaping the future of unified communications. Start by exploring how Yeastar PBX can help you launch flexible, scalable UC services under your own brand.