SIP Trunking
One connection for superior communications



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.
Local, long distance and toll-free calling with a single connection including E911, caller ID, CNAM, directory listings and more
Connect via public Internet, existing private data networks or our partner carriers
Per minute pricing with pre-pay and post-pay options available
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
#1
We have the largest owned and operated facilities-based footprint covering 94.5% of the U.S. with 12,800 on-net rate centers
300B
Minutes of use on our network annually
∞
We can scale to meet any capacity requirements

Transport Layer Security (TLS) encryption protects SIP connections

Integrate SIP trunking capabilities to meet specific configurations

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

Easily configure SIP trunks with E911 and deploy remotely

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

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

HIPAA compliant and stacked with layers of physical, network, application and interconnection security
- 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
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Omdia recognizes Inteliquent as a top SIP trunking provider in North America for fourth year
2021
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Omdia ranks Inteliquent in top three SIP trunking providers in North America
2020
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IHS gives Inteliquent "A Leader" rating for second year in annual SIP Trunking Scorecard
2019
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IHS ranks Inteliquent in top five SIP trunking provider in North America
2018