SIP Trunking

One connection for superior communications

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Provide your customers with an exceptional voice experience.

Your daily conversations are an important reflection of your business. Inteliquent SIP Trunking helps you improve engagement with every interaction. Our expansive SIP network has the largest native footprint and delivers simple solutions for wholesalers and enterprises alike — so you’re always there for your customers with a partner you can trust.

All the Voice Services You Need

Local, long distance and toll-free calling with a single connection including E911, caller ID, CNAM, directory listings and more

Interconnection Made Simple

Connect via public Internet, existing private data networks or our partner carriers

Transparent and Cost-Effective

Per minute pricing with pre-pay and post-pay options available

HIPAA compliant

Protecting the security, privacy and integrity of your data against potential breaches





Quickly scale your business.

Depending on the time of day or year, you may need to quickly increase your capacity, whether it’s because you have a short-term spike in calls, or due to your rapid growth. With our secure portal you can instantly scale capacity, number inventory or adjust routing as needed. Integrate your applications with Inteliquent APIs for seamless provisioning and management. We will deploy additional resources to ensure you have the capacity to keep you covered.

Our IP-based network delivers maximum quality and feature-rich voice, giving you the reach and scale to profitably grow.




Count on our reliable quality.

Our trusted infrastructure is highly available and fully redundant across multiple geographic regions. Our owned and operated facilities-based network allows us to provide the best service levels with U.S.-based support at affordable rates.

Our dedicated team is standing by to help you with a customized solution and successful deployment for your business.



You can depend on us.

Top 5

Ranked as one of the top SIP trunking providers in North America by Omdia four years in a row


We have the largest owned and operated facilities-based footprint covering 94.5% of the U.S. with 12,800 on-net rate centers


Minutes of use on our network annually

We can scale to meet any capacity requirements

Highlighted Features

A scalable, feature-rich, reliable and secure connection.

Phone Numbers
Secure Calls

Transport Layer Security (TLS) encryption protects SIP connections


Integrate SIP trunking capabilities to meet specific configurations

Real time notifications
Real-Time Notifications

Stay up to date with emergency service notifications, fraud detection and alerts

Intuitive Web Portal White
Intuitive Web Portal

Easily configure SIP trunks with E911 and deploy remotely

Local & Toll free number Provisioning
Local & Toll-Free Number Provisioning

Rapid porting of local and toll-free numbers with experienced assistance available

Robust E911 Services Support

Manage emergency response locations and notifications for Kari’s Law and RAY BAUM’S Act compliance

Data Security
Data Security

HIPAA compliant and stacked with layers of physical, network, application and interconnection security

Additional Features
  • No default channel limitations — easily configure multiple calls per line
  • Supports critical line features — outbound caller ID, CNAM and directory listings
  • 24x7x365 incident response — our Network Operations Center will handle any issues you may encounter
  • Real-time disaster recovery — complete with IP failover control

Rankings and accolades

  • Omdia recognizes Inteliquent as a top SIP trunking provider in North America for fourth year


  • Omdia ranks Inteliquent in top three SIP trunking providers in North America


  • IHS gives Inteliquent "A Leader" rating for second year in annual SIP Trunking Scorecard


  • IHS ranks Inteliquent in top five SIP trunking provider in North America


Let's help you get started with the best SIP trunking solution for your business.

  • Find the right SIP trunking solution
  • Schedule a technical review
  • Learn about pricing plans
Talk to an expert