Reduce your communications costs by using VoIP technology to deliver your voice PSTN services.
BT referenceOne Voice global SIP trunking
SIP trunks provide you with an IP alternative to traditional PSTN delivered over IP Connect or Internet and can reduce your costs by:
removing expensive interfaces to the PSTN
reducing your communication costs by 30 per cent
giving you low cost national and international PSTN minutes
a self service portal for administration and reporting giving you control and flexibility over your communications
centralised SIP – no need to segregate (logically partition) SIP traffic per country
full compliance with in-country regulation, supporting multiple codecs.
Watch our video to get expert perspective on the importance of SIP trunking in today's marketplace, how it can reduce voice costs, and what experience BT brings in delivering global SIP for large multinational organisations.
Our One Voice platform offers SIP services in 73 countries, with full PSTN replacement in 23. We support 350+ customers, with over 420,000 channels.
Self-service portal providing 24/7 access for you to order, provision, and manage your One Voice SIP trunking all in one place.