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Spitfire SIP Trunks provide a high quality, low cost, reliable replacement for ISND30.
Spitfire SIP Trunks are a highly resillient alternative to ISND30 and are ideal for disaster recovery applications. Spitfire provides guaranteed voice quality on its circuits in a highly cost effective and extremely flexible manner.


  • Alternative to ISDN30e
  • Ideal for use with Spitfire Ethernet circuits
  • Highly Resillient
  • Guaranteed call quality
  • Flexible numbering


  • Significant savings on call costs
  • Multi level disaster recovery applications
  • Proven interoperability with ShoreTel's UC solutions
  • Number portability


ShoreTel Innovation Network - ShoreTel Validated

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