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Session Initiation Protocol trunking (SIP) is rapidly becoming the chosen method for manging voice and data. Compared to IDSN, SIP offers flexibility, scalability and is cost-effective.

The next generation communication network delivers significantly than telephone calls. By utilising the latest collaboration tools, you can connect businesses with employees, customers and suppliers in a more efficient way.

Session initiation protocol trunking convergences voice traffic into a single IP network and typically reduces telephony costs by up to 40%. Connectivity is available through a legacy PBX or up-to-date SIP compatible technology. Here at Tectria, we will advise you on the pros and cons as well as the likely impact of your business when using session initiation protocol trunking or ISDN.

Session Initiation Protocol Trunking

Business Benefits

  • Significantly lower cost than ISDN
  • Retain existing handsets (legacy systems)
  • Add users quickly
  • Add voice channels and numbers quickly
  • Business moves, number moves with you
  • Any UK regional number locally terminated (multi regional presence)
  • High QoS and low latency
  • Business Continuity


If you would like to know more information about our session initial protocol trunking, email and we will response to your questions as soon as possible.