Enterprise SIP Trunking
Carrier-grade SIP trunking for enterprise voice — concurrent-call sizing, geographic redundancy, regulatory-compliant CNAM and 911 handling — fitting operators whose IP-PBX, UCaaS bring-your-own-carrier, or contact-center voice path needs carrier-grade SIP behind it.
Free Advisory
Fibi sources TouchTone Enterprise SIP Trunking at no cost to you. Our advisory is funded by the carrier.
Side-by-Side Comparison
We compare TouchTone against 300+ carriers so you know you're getting the best solution for your needs.
Post-Sale Support
Dedicated advisor for the life of your contract — Fibi escalates issues on your behalf so you're never dealing with carrier support alone.
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Toll-Free — Domestic & International
Domestic and international toll-free with number provisioning, routing, and rate-center handling — fitting operators whose customer-acquisition motion or service-line operating model depends on toll-free presence in the US and international markets.
Hosted UCaaS — Business Connect Digital Phone Service
Hosted UCaaS / Business Connect digital phone service for multi-site operators needing voice, voicemail, mobility, and basic team-collaboration under one carrier-delivered platform — fitting operators whose UCaaS strategy is to consume hosted voice from the underlying carrier.
Microsoft Teams Calling — Direct Routing & Operator Connect
Microsoft Teams calling via both Direct Routing (carrier-grade SIP behind Teams) and Operator Connect (operator publishing into Teams) — fitting Teams operators whose calling stack needs carrier-grade SIP behind Teams or whose Teams-admin posture prefers the operator-publishing-into-Teams model.
Contact Center Solutions
Contact-center solutions tied to the underlying SIP and toll-free carrier path — fitting operators whose contact-center voice posture, recording, and reporting need to live with the carrier rather than as a third-party CCaaS overlay disconnected from the SIP path.