A call sidecar is a lightweight digital layer that runs alongside a live phone call.
It doesn't replace the call.
It doesn't reroute it.
It doesn't turn it into a chatbot.
It simply supports the moment where voice communication breaks down.
Why Call Sidecars Exist
Phone calls are fast and human — but they're not always clear.
Accents, language differences, poor connections, and similar-sounding letters make it hard to capture critical information like email addresses, names, and reference numbers.
A call sidecar exists to handle that one problem — during the call, not after it.
How a Call Sidecar Works
A call sidecar is triggered during a live call.
The agent provides a short code.
The caller enters the code in their browser.
The caller types their details directly instead of spelling them aloud.
The agent sees the information instantly and confirms it before the call ends.
Call Sidecar vs Traditional Chat
A call sidecar is not live chat software.
Key differences:
- It only exists during an active call
- It does not create ongoing conversations
- It does not require accounts or apps
- It is designed for speed and accuracy, not messaging history
Call Sidecar vs Forms or Follow-Ups
Forms and follow-up emails happen after the call.
Call sidecars work in real time — when accuracy matters most and the caller is already engaged.
This reduces rework, callbacks, and time lost to corrections.
EOV6 as a Call Sidecar
EOV6 is a secure call sidecar built for in-call capture via a written layer.
It is:
- Browser-based
- App-free for callers
- Automatically cleared when the session ends
EOV6 is designed to solve one specific problem well: capturing accurate details during live phone calls.
When a Call Sidecar Makes Sense
Call sidecars are useful anywhere phone calls are still the primary channel:
- Call centres
- Government services
- Hospitality and motels
- Utilities and support desks
- Teams dealing with international callers