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Five9

Replace generic TTS in Five9 with custom AI voices that match your brand, then layer Resemble Detect on inbound audio to catch voice-spoofing fraud in real time.

Overview

Five9 powers modern contact centers; Resemble makes them sound human. Drop Resemble's streaming TTS into Five9 IVR flows and outbound campaigns to deliver consistent, branded speech across every customer touchpoint with sub-500ms latency and support for 90+ languages.

For inbound fraud defense, Resemble Detect analyzes caller audio frame-by-frame to flag AI-generated or cloned voices before they reach agents. Critical for banks, healthcare providers, and insurers using Five9 to handle high-value conversations.

Features

Custom IVR voice cloning

Clone a brand voice and use it across every Five9 IVR menu, outbound campaign, and voicemail — no more stock TTS.

Real-time streaming TTS

Generate speech dynamically per call with sub-500ms latency. Works for outbound notifications and live agent-assist flows.

Voice spoofing detection

Resemble Detect scans inbound calls for AI-generated voices. Stop vishing attacks before they reach human agents.

90+ language support

Localize IVR menus and outbound campaigns across languages and accents without hiring voice talent per region.

Voice management API

Centrally manage approved voice profiles, A/B test personas across campaigns, and govern which voices run where.

HIPAA and PCI compliant

Safe for healthcare, financial services, and regulated industries. SOC 2 Type II certification in progress with on-prem options.

Use cases

  • Replace default Five9 TTS with a branded AI voice across IVR menus and hold flows
  • Power outbound appointment reminders and billing notifications with dynamic voice generation
  • Detect voice spoofing on inbound calls to protect against account takeover fraud
  • Localize contact center operations across multiple languages with one voice profile
  • A/B test different voice personas on outbound campaigns to improve contact rates
  • Build AI voice agents inside Five9 that handle routine queries before routing to humans

Related integrations

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