Skyline colored pink with streaks of light flowing through buildings

SIP Trunking.

Say goodbye to costly trunks and hello to improved network scalability, efficiency, and cost-effectiveness. Leveraging our award-winning, flexible Global MPLS network, SIP Trunking from T-Mobile is the smart way to lay the groundwork for Unified Communications.


Unify data, voice, and video traffic with a streamlined, low-cost way to communicate, and collaborate over a single IP connection from virtually any location.


With T-Mobile SIP Trunking, we can help you: 

  • Reduce the total number of voice circuits, and eliminate the cost of traditional voice equipment and services
  • Integrate with Mobile Devices – VoIP traffic can pass between your PCX and mobile device as on-net traffic
  • Real-time Class of Service
  • Avoid additional charges for transfer, redirect, ANI, or DNISl
  • Experience true aggregation of network capabilities, and the ability to burst up to 125% of the contracted trunks during high traffic times

Map does not depict coverage. Not available in all areas.

Global Network

See what we can do for you.