What is the quickest way to send an OTP via a voice call in MyOperator?
⚡Quick answer -
Publish a temporary Basic call flow that uses blank audio files for the Welcome, Wait, and Voicemail steps. Incoming calls go straight to voicemail, the caller records the OTP, and you replay the recording from Logs.
When should I use this guide?
Use it when SMS OTP delivery is unreliable, and your platform permits “OTP by call.” Skip this guide if the platform is on MyOperator’s restricted list—those rules still apply.
Prerequisites & limitations
• Admin access to the client’s MyOperator panel via AnyDesk (do not log in directly).
• A service number already mapped to the client account.
• “OTP by call” must be enabled for a non-restricted platform.
• Activate this flow only for working hours; leave it inactive for non-working hours/days.
Step-by-step setup
- Log in to the client panel:
https://in.app.myoperator.com/ - Navigate to Manage → Design Callflow.
- Click + New Callflow → Basic Callflow.
Alt text: Design call flow
- In Welcome Greeting
- File →
Blank.mp3 - Need a menu → OFF
- Department → any department with 0 users
- Enable “Do you need voicemail with each department?”
- Click Save to Preview.
- In Preview & Publish, set
Blank.mp3for both Wait Message and Voicemail. - Click Publish.
Expected outcome: Calls to the service number are routed straight to voicemail, where the caller records the OTP.
When does OTP-by-call NOT work?
• The platform is in MyOperator’s restricted category.
• The call arrives outside configured working hours/days.
• The selected department contains active users (the call won’t reach voicemail).
Verify & monitor calls
- Go to Logs → All Calls.
- Filter by the service number and date range.
- Click the Play icon to hear the recording.
Success indicator: The audio file contains only the spoken OTP.
Post-OTP clean-up
- Ask the client to re-publish their original call flow.
- Delete the temporary “OTP-by-call” flow if it is no longer needed.
Troubleshooting
Symptom | Likely cause | Fix |
No recording appears in Logs | Flow is not published or the department has users | Re-publish; ensure the department has zero users |
Caller hears an IVR menu | Need a menu was left ON | Edit the flow, switch the toggle OFF, and re-publish |
Compliance warning displayed | The platform may be restricted | Verify eligibility with Support |
Escalation path: Open a ticket in MyOperator Support → “Voice OTP” queue.
Keywords: voice OTP, OTP by call, MyOperator voicemail, basic callflow
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