Our Tier 1 nationwide all-IP voice network gives you the reach, reliability, scalability, and quality you need whether you’re a carrier looking to grow your footprint, reseller growing your portfolio, or app owner looking to add voice.

Voice Products

Find your voice with SVB as your partner.

Inbound Calling

Reliably originate calls with the power of our nationwide network.

Outbound Calling

Crystal-clear termination, facilitated by our strong peering relationships.

Toll-Free Services

Resilient toll-free with 5x the carrier redundancy of any other Tier-1 provider.

Global SIP Trunking Provider

Control costs, establish scalability and agility when moving to the cloud.

International Long Distance

Call globally with crystal-clear outbound calling at competitive rates.

API + Network

Our Tier 1 nationwide all-IP voice network is the best in the country and was purpose-built for the enterprise. Our APIs allow for business-grade programmable voice calling to be easily embedded in your software, application, or program. Together, our network and API layer give you the quality, control, and reach that your business needs.

Best-in-class voice quality

You don’t want a job half done, and you don’t want to catch half a conversation. We’re able to maintain quality because we own our network which gives us greater control and visibility. The SVB Network Operations Center (NOC) monitors the network 24/7 ensuring that every call connects, and every conversation is understood.

Connect how you want

Whether you want to add business-grade calling via our Voice API, scale on our Carrier Network, or connect your business via SIP, we’re ready to provide you with crystal-clear voice calling.

Ready to cut out the middleman?

Combining the flexibility of an API platform with the power of our Tier-1 nationwide carrier network, SVB saves you time & headaches.

Give businesses a voice with SVB Voice

Enterprises, innovative software companies, and the largest carriers in the country rely on SVB to connect their calls.


Make your move to the cloud or continue your switch to SIP on the back of our Tier-1 nationwide all-IP voice network.


Enrich your applications with top quality, reliable voice calling from the only CPaaS provider with a proprietary, nationwide network.


Expand your footprint. Partner with a Tier 1, carrier-grade network provider to balance costs and call quality based on your specific needs.

Find new ways to use your voice

Leverage SVB’s voice APIs and network for new and exciting ways to use programmable voice.


Turn search traffic into business. Enable click-to-call to remove barriers to customers connecting with businesses.

IVR System

Build a better customer experience. Create a phone tree that gets customers to the right person faster.

Bring Your Own Carrier (BYOC)

BYOC programs let you choose the carrier you want to plug into your contact center, conferencing, or unified communications platform.