Parloa

Parloa sells to European enterprises whose phone queues carry regulated work: insurance claims, blocked bank cards, energy billing, hospital appointments. The buyer sits under GDPR and, in financial services, DORA, and already runs a Genesys, Five9 or SAP stack nobody plans to rip out. Published customers include Allianz, Booking.com and IKEA.

The platform runs on Microsoft Azure with regional hosting options, and Parloa owns its carrier-grade telephony instead of reselling Twilio, so the audio path stays with one vendor. Agents are written as natural-language briefs, simulated across thousands of scenarios, then watched in production by Parloa Lens. You bring your own LLM, speech-to-text and text-to-speech. Billing, in Parloa's words, is consumption-based enterprise SaaS, no seat lock-in.

There is no pricing page. /pricing returns a 404, and the nearest thing to a disclosure is a line in Parloa's own competitor article: pricing reflects platform licensing, integrations, language coverage and call volume, with no public per-seat or per-minute rate card. The unit is never named. A value calculator asks your call volume and cost per human agent, then shows savings with Parloa's own cost absent. Language coverage reads 130+, 140+ and 100+ on three pages, no retention window is stated, and the Transcripts API is switched on by a rep.

PolyAI also withholds its rate but at least names the unit. Sierra bills a resolved conversation, moving the argument to what counts as resolved. Retell AI prints an itemised rate card, which is the counterexample. All four sit in AI voice agents.