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Advanced SIP Trunking in Dallas Fort Worth

SIP trunks let your business use its existing internet connection for voice calls, saving 30% to 50% over traditional copper phone lines. If you have an IP-PBX or TDM PBX phone system, SIP trunking gives you more flexibility and lower costs without replacing the system you already own.
  • Unlimited local and long distance calling throughout the US
  • Certified and tested with most IP-PBXs
  • Save 30% to 50% over traditional landlines
  • Fax over VoIP (T.38) certified
  • DIDs for direct dialing
  • Full number portability
  • Auto failover and auto attendant for business continuity
  • Caller ID name and number delivery
  • Competitive international rates
  • $20/month per trunk

What Is SIP Trunking?

With traditional phone service, you pay per line for a physical phone line that runs from a central office. These systems are expensive, take a big upfront investment, and cost even more to scale. With SIP trunking, your calls are routed over the internet instead.

SIP trunks modernize your existing phone system. Or, the savings can help pay for a new phone system. Start cutting your operating costs today by contacting Centra IP Networks.

Replace Your TDM-Based Services

TDM (time-division multiplexing) is old technology. Your business needs phone service that scales up or down easily and adds capacity whenever you want it. SIP trunks cost less and save your team headaches by reducing complexity.

Want real flexibility? With Advanced SIP Trunking, you can redirect calls instantly if disaster strikes, so your business keeps running when you need it most.

Ready for a Brand-New Phone System?

SIP trunks are a great upgrade, but maybe you’re ready to move to the cloud now. A cloud-based phone system cuts costs and adds even more flexibility. Learn more about our cloud phone systems.

Cloud Phone Systems

Cloud-Based Phone Systems

Cloud PBX and VoIP phone systems that scale from a few employees in one location to hundreds across multiple sites. There’s no on-site hardware to maintain, and your team can call from anywhere.
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Premise-Based Phone Systems

Prefer to own your system? We sell, install, and support on-site IP phone systems from popular brands like Allworx, Grandstream, and Yeastar, with SIP trunking to lower your calling costs.
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