The AI platform for customer experience and business communications
Simple Phones records 0 monthly visits with -100% month-over-month growth and Free Trial, Paid pricing. telli records 30,992 monthly visits with -10.6% growth and Contact for Pricing pricing.

Never miss a customer call again — let an AI voice agent pick up, book and follow up.
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | simplephones.ai | telli.com |
| Pricing Model | Free Trial, Paid | Contact for Pricing |
| Monthly Visits | 0 (0) | 30.99K (30,992) |
| MoM Traffic Delta | -430 (-100%) | -3.67K (-10.6%) |
| Primary Market & Share | 🌐 Global (—) | 🇩🇪 Germany (74.4%) |
| Direct Visits / mo | 0 | 9.08K |
| User Rating | 4.3 | 4.4 |
| Supported Platforms | Website | Website |

Never miss a customer call again — let an AI voice agent pick up, book and follow up.
Forward missed calls or get a new number and let a customized AI voice agent answer, greet callers and handle requests in your brand voice.
Use the same agent to follow up with leads, check in on customers and run cold-call outreach without adding headcount.
Every call has a clear record with caller details, duration and a full transcript, plus a chat screen to test the agent without dialing in.
Have the agent handle appointment booking, quote and payment calculations, FAQ answers or a custom knowledge base built from your website and documents.

AI voice agents that run your customer calls end to end
telli Studio lets teams create and refine agents by describing the conversation in natural language, without engineering work.
Deploy agents with native fluency, local accents and cultural context across 30+ languages, with curated voices and optional voice cloning.
Pre-built and custom actions let agents act during a call, while post-call workflows push outcomes into connected systems automatically.
Native Salesforce and HubSpot connections plus API access, with telli phone numbers or bring-your-own via SIP trunking.
The AI platform for customer experience and business communications

SpecialistAI communication platform for sales and support teams

Free / Open-sourceEnterprise voice AI that resolves customer conversations
Free / Open-sourceEnterprise voice AI that resolves customer conversations

Free / Open-sourceCloud phone system and AI voice agents for sales, support, and call centers
Free / Open-sourceCloud phone system and AI voice agents for sales, support, and call centers
AI-powered omnichannel customer experience and contact center platform

Enterprise voice AI agents that handle your most regulated phone calls
Enterprise voice AI agents that handle your most regulated phone calls

24/7 AI receptionists plus trained human agents for calls, chat, and intake
24/7 AI receptionists plus trained human agents for calls, chat, and intake

Free / Open-sourceEnterprise AI voice agents that work inside your phone system
Free / Open-sourceEnterprise AI voice agents that work inside your phone system

AI receptionist that answers, qualifies and books across voice, text, email and chat 24/7
AI receptionist that answers, qualifies and books across voice, text, email and chat 24/7

Free / Open-sourceAI phone agents that answer, qualify and route every call 24/7

SpecialistAI voice and chat agents that handle every revenue conversation
SpecialistAI voice and chat agents that handle every revenue conversation

Free / Open-sourceBuild AI voice and chat agents that answer calls, qualify leads, and support customers 24/7.
Free / Open-sourceBuild AI voice and chat agents that answer calls, qualify leads, and support customers 24/7.