What is Callin?

Callin.io offers ultra‑low‑latency AI voice agents with response times under 176 milliseconds. Solutions are white‑label ready, fully customizable, and can be deployed under a custom domain with no development required. Enterprise features include 99.

9 % uptime, carrier‑grade redundancy, GDPR/CCPA compliance, and end‑to‑end encryption. The platform supports multiple carriers (Callin, Twilio, Telnyx, SIP trunk) and pre‑built connectors to CRMs, ITSM, calendars, and automation tools. Industry‑specific templates are available for property management, real estate, IT support, smart cities, and SaaS agencies.

Callin on the web:

Callin details

Company: Replacing Humans LLC
Jurisdiction: Wyoming, United States
Data residency: United States
Stated compliance: GDPR, CCPA

Compliance as stated in Callin's own published documentation.

Callin tech specs

Integrations: Zendesk Twilio

Callin pricing

Freemium

Starter white-label free trial $0

Starter white-label $ 119/mo

Professional white-label $ 299/mo

Unlimited / agency scale $ 499/mo

Growth+ / enterprise $ 1499/mo

$119/mo is pricier than most for Voice Communication median $43.50/mo

Most Voice Communication tools start between $27.50 and $97 a month.

Verify on the official pricing page.

View plans

Callin's key features

24/7 multilingual AI call answering
Auto-resolve routine maintenance requests
Structured escalation via email/ticket
Concise operator summaries
Learning from prior interactions
Ultra-low latency voice responses
Scalable to thousands of units

Callin use cases

Launch a white‑label AI voice support line on your own domain in minutes, delivering sub‑176 ms responses to customers while automatically logging interactions into Salesforce without any code
Embed Callin.io’s carrier‑grade AI voice agent into your help‑desk platform to triage ITSM tickets in real‑time, ensuring 99.9 % uptime and GDPR‑compliant data encryption
Create a multilingual, cookie‑free virtual receptionist for enterprise calls, leveraging Callin.io’s multi‑carrier redundancy and pre‑built Microsoft Dynamics connector to schedule meetings instantly