tools
Decagon Voice
Decagon Voice provides multilingual AI phone agents for customer service, with brand customization, call transfers, outbound calls, and guardrails.

Decagon Voice handles customer phone conversations with low-latency turn-taking, interruption handling, multilingual support, customizable voice profiles, and automatic language switching. It can transfer calls to human agents with summaries and initiate outbound calls for sales, support, and updates.
Customer-support and CX teams use it alongside Decagon’s chat and email agents, integrations, testing, observability, and analytics. The site directs buyers to request a demo and does not show standard public pricing tiers in the pages reviewed.
Features
- Handles interruptions and overlapping speech with advanced turn-taking
- Supports 70+ languages with automatic detection and switching
- Offers hundreds of customizable voice profiles, including custom-tuned voices
- Transfers calls to human agents with concise summaries
- Initiates outbound calls for sales, support, and customer updates
- Recognizes accents, background noise, and everyday call conditions
- Applies AOPs, policies, and brand guidelines as built-in guardrails
- Provides live transcriptions, summaries, replies, and in-tool actions
Use cases
- Resolve customer-support calls across languages and regions
- Transfer complex calls to human representatives with conversation context
- Initiate outbound calls for proactive support and customer updates
- Automate sales and service conversations by phone
- Monitor voice-agent performance and customer outcomes
- Assist human representatives with live transcriptions and generated replies