Features

An assistant that actually gets work done.

Call0 answers calls, handles email and WhatsApp, books appointments, and writes results to your connected tools.

One agent. Every active channel. One cockpit.

Keep calls, email, appointments, and follow-up work in one connected workflow while retaining control of every conversation.

Phone

Answers calls, handles questions, and books appointments with a natural-sounding voice.

Email

Reads requests, replies with approved knowledge, and turns follow-ups into clear tasks.

WhatsApp

Answers WhatsApp messages with the same approved knowledge, in the mode you choose.

Phone

Answers calls with a natural-sounding voice.

  • Natural voice without a robotic tone
  • Answers questions from your approved knowledge
  • Hands over to a person when needed
  • Available around the clock within your plan’s concurrent-call limit

Incoming call

Ms. Weber · 0:42

Answered
"Hello, this is Call0 — how can I help?"

Appointments

Books appointments while you work.

  • Checks your calendar live during the call
  • Adds appointments directly without retyping
  • Confirms the appointment immediately
  • Handles rescheduling and cancellations
This week● Incoming call

Mon

Tue

Wed

Thu

Fri

Consultation — Anna M. · Thu · 2:00 PM

Channels

Email and WhatsApp. One agent.

  • Handle email with the same approved knowledge
  • Answer WhatsApp with the same knowledge
  • Read and answer emails, then create follow-up tasks
  • Keep phone and email in one clear workflow

WhatsApp

Message · reply prepared

Hartmann Office

Email · callback noted

Analytics

Every call and every metric at a glance.

  • Transcript, summary, and sentiment for every call
  • Metrics for calls, response time, satisfaction, and average duration
  • Automatic prompts when knowledge is missing
  • Exportable and available through the 0API

Calls

Captured

Response time

Measurable

Summary

Automatic

Duration

Documented

Connected to
your tools.

Appointments, contacts and notes land straight in your connected systems. No more retyping.

Google Calendar
Gmail
Outlook Calendar
Google Calendar
Gmail
Outlook Calendar
Google Calendar
Gmail
Outlook Calendar
Google Calendar
Gmail
Outlook Calendar
Outlook Calendar
Gmail
Google Calendar
Outlook Calendar
Gmail
Google Calendar
Outlook Calendar
Gmail
Google Calendar
Outlook Calendar
Gmail
Google Calendar
Available

Outbound agents

Call0 runs approved callbacks, reminders, and follow-up actions according to your rules, then documents the result for the next step.

Explore outbound

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