Callab AI
AI voice agents for on-prem telephony stack.
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About
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. Callab AI is a Y Combinator company (Spring 2026). YC-listed status: Active.
- Website
- callab.ai
- Location
- San Francisco, CA, USA
- Added via
- web
- Ownership
- unclaimed
Where to go
Products
- Callab AI — AI voice agent platform for on-premises telephony stacks with real-time human supervision on every call. · Saas
Links
- Y Combinator profileycombinator