Simple, scalable calling for global enterprises.

Keep your workforce, partners and customers connected with voice services delivered on our reliable global network and SIP platform.


Reliable, feature-rich and cost effective.

Whether you need interstate, intrastate or international calling, CenturyLink® SIP Long Distance enables you to place outbound calls over a dedicated or switched connection between your locations.

Value and reach

Get competitive rates for outbound long-distance service from 30 countries in North America, South America, Europe and Asia with termination to more than 190 countries worldwide.

Efficiency and reliability

Take advantage of our expansive global network with features such as intelligent routing and built-in redundancy for efficiency and performance you can trust.

Simplified supplier management

Streamline billing and administration by using a single vendor with local presence and national reach.

Full-featured routing and control

Choose from dedicated or switched solutions offering advanced routing services and features.

Predictable costs

Enjoy low, flat service rates for interstate, intrastate and international calls.

Improved customer interactions

Stay connected to your customers using our proven, reliable network.


Optimized quality at minimized costs

Keep costs down while delivering maximum value with CenturyLink® Enterprise Toll-Free service, which includes powerful features to help boost efficiency and provide high-quality customer experiences.
Modernize how your business communicates
When you’re ready to make the move to more efficient unified communications and collaboration, CenturyLink® Voice Complete® can help you maximize workforce productivity and enhance customer experiences with integrated voice and SIP trunking services.


Cost-efficient local coverage at global scale

No matter where you do business, CenturyLink® SIP International Local Inbound service provides local origination for U.S. national and international telephone numbers through a single IP point of interconnection.

Local coverage in U.S., Latin America, Europe and Asia

Our global footprint can provide support for a worldwide implementation with a localized feel.

Streamlined networking

Consolidate traffic from multiple origination points to drive routing efficiencies and cost savings.

Designed for growth

Get the solutions you need today with options to scale up or migrate as your business grows.

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Where digital business goes to network
Where digital business goes to network