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With IT budgets straining under pressure for new applications and devices, managing costs through advanced technology is the smart thing to do. With CenturyLink® SIP Trunk, you can significantly improve cost efficiency of your voice services. Consolidate your voice traffic over our robust data network and maximize the potential of your IT budget.

CenturyLink SIP Trunk is a scalable solution that enables the origination and termination of local voice and dedicated long-distance, as well as domestic and international toll-free service across a streamlined data connection. SIP Trunk gives you the security and reliability of MPLS while making the most of your current infrastructure to provide high quality voice services.

SIP-Trunk Infographic

CenturyLink SIP Trunk enables the origination and termination of local voice, dedicated long-distance, domestic and international toll-free service and Enhanced V911 traffic across a single broadband connection. It is designed to work in conjunction with CenturyLink IQ® Networking, which includes a managed, fully interoperable and scalable suite of wide area network (WAN) services. CenturyLink IQ® Networking is comprised of advanced Internet protocol (IP)-centric, multi-protocol label switching (MPLS).

Your Challenges CenturyLink Capabilities Your Results
Reduce costs
  • Manage your call volume efficiently by subscribing to multiple TNs per session
  • Aggregates multiple locations behind one trunk group
Integrate both voice onto a single, converged network
Increase productivity
  • Voice & data delivered over the CenturyLink OC-192 IP data backbone-one of the most advanced networks available
Access to Control Center, the online management portal that allows you to access network configurations and performance
Ensure your network is secure and available
  • Inherent security through MPLS Private Ports
  • Provides redundancy with Switch Diversity
Utilize robust QoS to ensure that time-sensitive network traffic is prioritized and routed correctly
Enable scalability
  • Ability to leverage existing equipment (IP-PBX) for new locations
  • Support multiple locations with one service
Expansion of your operations without an expensive overhaul to your current infrastructure
  • Flexible scalability
  • Dedicated long-distance*
  • Domestic and international toll-free service*
  • Emergency 911 service
  • Inherent benefits of closed networking with purchase of MPLS private and enhanced ports
  • Switch diversity*
  • Control Center online network management portal
  • Competitive SLAs
  • Local number portability support

*Off-Net Long Distance, domestic and international Toll Free, and Switch Diversity are available as an option. Additional charges apply. CenturyLink IQ® Networking ports are purchased separately from the CenturyLink SIP Trunk service.

  • Manage costs by aggregating voice networks and their associated costs
  • Gain the confidence and reliability of MPLS for voice service
  • Expand operations inexpensively by leveraging existing equipment (IP-PBX) for new locations
  • Access network configurations, performance monitoring, trouble ticket submissions, and tracking from any Internet connection
  • Port existing POTS numbers to VoIP service
  • Support multiple locations on one service
From Our Industry Experts

By working with CenturyLink, we're able to provide the reliable, cutting-edge services exhibitors need to wow attendees with their

Will Wise  • Vice President  • UBM TechWeb

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The CenturyLink network covers the entire continental United States, and hundreds of international destinations.

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