SIP trunking is a way of making calls over your IP connection, rather than over traditional phone lines.

Because you no longer need separate phone lines, SIP trunking can save you money and help maximise your data network investment.

It enables a Telephone system via a BTnet circuit to make and receive calls using VoIP technologies:

  • Public Network Service
  • Shared Data Connection (Broadband, BTnet and futures)
  • Multiple Voice Calls
  • Connect IP enabled Telephone systems to the Public network
  • Complement existing PSTN and ISDN Service
  • SIP Trunk via BTnet access is proposed to enable BT to provide a cost-effective alternative to these circuit-switched technologies.


Additional information on BT SIP Trunks

Helpful guide to SIP trunks

BT SIP Trunks connected to a BT maintained Avaya IP Office Telephone system

BT SIP Trunks connected to a BT maintained Mitel MN3300 Telephone system

 
 

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