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SIP Trunking

Business SIP Trunking from just £4 per month

 

SIP Trunking can be used to lower charges, increase resiliency and offer cost effective business continuity options, all whilst maintaining exceptional business call quality.  Spitfire have been installing our own SIP trunk solutions for 10 years meaning you can achieve all of this with the reassurance that it is with a supplier who knows how to do it.

SIP Trunking from Spitfire

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  • Lower costs – both rental and calls
  • Works seamlessly with the majority of phone systems
  • Assured call quality using Spitfire Ethernet or Voice Approved Broadband
  • Keep your existing phone numbers
  • Resiliency provided by our geographically diverse SIP network nodes
  • Highly scalable at short notice
  • Utilise Ethernet for voice and data usage
  • Consolidate line usage across multiple sites

Spitfire SIP Trunks

More About SIP Trunks

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Business Grade Call Quality

  • End-to-end solution provided by Spitfire
  • Dedicated SIP SDSL M or converged Ethernet circuits
  • Calls route directly to Spitfire’s own SIP core network, secure from the Public Internet

Flexibility and Resilience

  • Highly scalable at short notice – easily increase/decrease the number of channels as required
  • Combine with ISDN for resilient backup solutions
  • Divert calls to a predetermined backup destination

Numbering

  • Port existing telephone numbers to Spitfire’s SIP network
  • No need for diversion charges when moving office
  • Numbers available from all UK dialling codes, regardless of your geographic location. We can even provide numbers from International locations.

Interoperability

  • Fully tested with leading manufacturers including: 3CX, Asterisk, Avaya, Cisco, Epygi, IPCortex, Mitel, Panasonic, Patton and more…
  • Enable an existing ISDN only phone system with a SIP gateway provided by Spitfire

Other related products

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Please click on the links for further information on related products and services.

SIP Communicator WAN MPLS & Multi-site Data Networking Connect to the Cloud … SIP Trunks - watch our video

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