Callab AI
Callab AI provides AI voice agents designed to integrate with on-premises telephony stacks, replacing legacy IVR systems with agents that support inbound support, outbound campaigns, appointment scheduling, and lead qualification.
Where Callab AI ranks
Current edition · updated Oct 20, 2026About Callab AI
58% of the $400B call center industry runs on on-prem phone systems, and until now bringing AI voice automation to them meant ripping out their entire infrastructure first. That's the largest unserved segment in the market. Callab AI connects directly to legacy PBX systems like Avaya, Cisco UCM, and Mitel, and automates up to 70% of call volume with zero migration needed.
We plug into these environments without requiring a rip-and-replace. We serve clients across three continents, including brands like Dunkin Donuts.
Products
A first-party platform offering AI voice agents with live human supervision, real-time monitoring, observability, knowledge base integration, post-call analysis, call transfer,...
Security and compliance
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