Buying and running voice AI
Buying a voice agent is mostly about what happens after the demo: long and messy calls, the first invoice, support when something breaks, and customers who hang up. These guides are written for the people who choose and run voice agents, with our own call data where we have it and its limits stated.
Start with how to evaluate an AI voice vendor: run long test calls on a real phone line, get the all-in price per minute and the cancellation terms in writing, and check that a person answers support. If you need an Indian carrier, Exotel, Plivo, Ozonetel and Vobiz compared explains how each hands the agent the caller's audio, what each publishes about price and what paperwork comes first.
How often customers hang up on AI calls in India reports our own numbers. Over 60 days, 53% of campaign calls were picked up and half the answered ones ended within 18 seconds, while inbound calls to customer agents had a median length of 69 seconds. The samples are small, and the guide says so. Natural Hindi AI voices explains why a flawless, formal Hindi voice can sound like a recorded announcement, and why scripts written the way people speak on the phone tend to do better.
Three guides cover specific uses. AI receptionists for Indian clinics work best on after-hours and overflow calls and must hand anything medical or urgent to a person. COD confirmation calls cost a few rupees each, and only a holdout test shows whether they save more than that. AI voice agents for Dubai real estate call new enquiries back within minutes in Gulf Arabic or English, under the UAE's telemarketing rules.
AI voice agent for Dubai real estate: Gulf Arabic, English and what it costs
COD order-confirmation calls: what AI can and can't fix
Do Indian customers hang up on AI calls? Our numbers
Exotel vs Plivo vs Ozonetel vs Vobiz for AI voice agents (2026)
How to evaluate an AI voice vendor without getting burned
Why a too-perfect Hindi voice hurts conversion
Building voice agents that follow the rules?
Sonex Labs voice agents speak 250+ languages, with calling windows, retry limits and recordings set per campaign.






