SIP Trunking — High Availability · Premises PBX Support
High-availability SIP trunking for organizations with existing premises-based PBX systems — replacing legacy ISDN PRI or analog trunks with SIP without replacing the full phone system. Available standalone or alongside Unite for hybrid deployments where some sites run cloud UCaaS and others retain existing PBX infrastructure.
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About SIP Trunking from Intermedia
- High-availability SIP trunking for organizations with existing premises-based PBX systems — replacing legacy ISDN PRI or analog trunks with SIP without replacing the full phone system.
- Available standalone or alongside Unite for hybrid deployments where some sites run cloud UCaaS and others retain existing PBX infrastructure.
Fibi sources SIP Trunking from Intermedia alongside 300+ providers — comparing pricing, SLAs, and contract terms so you always get the best deal, at no cost to you.
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