threat response operators

Inbound voice & SIP

Discover our range of voice solutions with the power to transform communications for businesses of all sizes.

Discover our range of voice solutions with the power to transform communications for businesses of all sizes.

Why choose BT for voice networks

Reduce costs, improve business agility, and benefit from user adoption support when you partner with us on your digital transformation journey.

Global voice network

We support customers in over 180 countries, hosting over five million users and carrying ten billion minutes annually.

Reliable service

We monitor voice quality and reliability – our tools let you track your SIP usage and service behaviour to detect any anomalies.

Innovation and experience

We’re a leader in voice technology in the UK and globally. We work with companies big and small to cater for any complex voice calling needs.

We do more for your business