Phone
Answers calls, handles questions, and books appointments with a natural-sounding voice.
Features
An assistant that actually gets work done.
Call0 answers calls, handles email, books appointments, and writes results to your connected tools. WhatsApp is currently in maintenance.
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.
Reads requests, replies with approved knowledge, and turns follow-ups into clear tasks.
The WhatsApp channel is currently in maintenance and is not available for general activation.
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
"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 is available. WhatsApp is in maintenance.
- Handle email with the same approved knowledge
- WhatsApp is currently in maintenance
- Read and answer emails, then create follow-up tasks
- Keep phone and email in one clear workflow
Currently in maintenance
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