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Missed Call Service

Engage customers with zero-cost missed calls.

Let customers reach you with a free missed call. Capture leads, verify numbers and trigger callbacks automatically. Zero cost for your customers.

Get Started View Documentation
Zero Cost to Caller
5M+ Daily Missed Calls
99.8% Capture Rate
Missed Call Service
Key Capabilities

Missed Call Service Features

Instant Lead Capture

Capture the caller's number the instant they give a missed call. Auto-trigger SMS, WhatsApp message or callback within seconds and ” converting every missed call into a qualified lead.

Number Verification

Verify customer mobile numbers without SMS OTP charges. A missed call from a customer's number instantly verifies ownership and ” simpler and cheaper than traditional OTP verification.

Automated Callback

Automatically call back customers who give a missed call. Configure intelligent callback queuing, scheduling and retry logic and ” ensuring every lead is contacted promptly and none are lost.

Industry Use Cases

Missed Call Service for Every Business

See how businesses use missed call services for lead generation, opt-in collection and number verification.

Missed Call Lead Gen

Generate Leads from TV, Radio and Print Ads for Free

Display your missed call number in TV commercials, newspaper ads and billboards. Interested customers give a free missed call and ” your system captures their number and auto-sends offer details immediately.

  • Zero cost for the customer and ” just a 2-second missed call.
  • Instant auto-SMS/WhatsApp with offer details on missed call.
  • Works for customers without mobile internet or data.

Trigger Callbacks Instantly to Every Missed Call Lead

The moment a customer gives a missed call, your system automatically assigns the lead to an agent and triggers an outbound callback within seconds. Connect with hot leads before they lose interest.

  • Automated callback within seconds of missed call receipt.
  • Lead assignment to the next available sales agent.
  • Missed call lead dashboard with CRM auto-sync.
Callback Automation
Lead Gen Analytics

Track Lead Volume and Campaign Performance by Source

Use different missed call numbers for TV, print and digital ads to track which source generates the most leads. Measure cost per lead, callback success rate and conversion rate by campaign.

  • Source attribution via unique numbers per ad campaign.
  • Callback success rate and lead conversion tracking.
  • Cost per lead comparison across all lead generation channels.
10x lower cost per lead vs traditional form-fill campaigns
Missed Call Polling

Run Mass Polls and Voting with Unique Missed Call Numbers

Assign different missed call numbers to each poll option. Viewers call the number for their choice and ” giving a missed call is free, and your system counts votes in real time and displays live results.

  • Multiple missed call numbers for different poll options.
  • Real-time vote counting with live results API.
  • Duplicate number prevention and ” one vote per mobile number.

Collect Opt-In Consent for SMS and WhatsApp Campaigns

Ask customers to give a missed call to opt-in to your SMS newsletter or WhatsApp updates. Missed call opt-in is TRAI-compliant and creates verified, explicit consent records for marketing campaigns.

  • TRAI-compliant missed call opt-in collection for DLT.
  • Automatic opt-in confirmation SMS/WhatsApp after missed call.
  • Opt-in database export with timestamp and number verification.
Opt-In Collection
Polling Analytics

Real-Time Analytics for Polls and Consent Campaigns

Track live vote counts, opt-in rates and geographic distribution of responses. Export data for reporting or integrate with live displays during broadcast events.

  • Live vote count APIs for real-time display integration.
  • Geographic and demographic distribution of responses.
  • Opt-in database reporting with full compliance records.
5M missed calls processed per minute during live broadcast events
Missed Call Verification

Verify Mobile Numbers at Zero Cost with Missed Call

Replace expensive SMS OTP verification with free missed call number verification. Customers give a missed call from their mobile and ” you instantly verify ownership without sending any SMS or incurring OTP delivery costs.

  • Instant mobile number ownership verification via missed call.
  • Zero OTP SMS cost and ” verification is completely free per user.
  • Works in rural areas where SMS OTP delivery may be unreliable.

Use as 2FA for App Registration and Login

Integrate missed call verification as a two-factor authentication step for app registration and login. Users give a missed call from their registered number to confirm identity and ” frictionless and completely free.

  • App registration and login 2FA via missed call verification.
  • Frictionless for users and ” no OTP to type, no internet needed.
  • Works as fallback when SMS OTP delivery is blocked.
2FA Verification
Verification Analytics

Track Verification Completion and Fraud Attempts

Monitor verification completion rates, fraud attempt patterns and cost savings vs SMS OTP. Track which user segments benefit most from missed call verification and optimise your verification strategy.

  • Verification completion rate and fraud attempt reporting.
  • Cost savings calculation vs SMS OTP delivery costs.
  • Number abuse detection and call frequency monitoring.
90% lower verification cost vs SMS OTP for large user bases
Pricing Models

Choose a Plan Built for Your Scale

Growth Plan

Custom Pricing

Perfect for businesses needing missed call lead capture.

  • 1 Missed Call Number
  • Auto-SMS Response
  • Basic Analytics
  • No Auto-Callback
BEST VALUE
Enterprise Pro

Volume Custom

Built for high-volume missed call campaigns with automation.

  • Multiple Missed Call Numbers
  • Auto-Callback & WhatsApp
  • CRM Integration
  • 24/7 SLA Support
Seamless Process

Set Up Missed Call Service in 3 Steps

1. Get Your Missed Call Number

Get a dedicated missed call number. Display it in your ads, website and materials to invite customer interactions.

2. Configure Auto-Responses

Set up automated SMS, WhatsApp message or callback that triggers instantly on every missed call. Define routing logic for lead assignment.

3. Capture and Convert Leads

Every missed call captures a verified lead number. Your team is alerted instantly and the system triggers auto-responses and ” converting every missed call into an opportunity.

EASY INTEGRATIONS

Connect Missed Call to Your Business Tools

Nimbus Missed Call integrates with your CRM, marketing automation and lead management tools via REST APIs and webhooks and ” syncing every missed call lead automatically.

REST APIs JSON Webhooks
Shopify
WooCommerce
Salesforce
HubSpot
Zoho CRM
Zapier
WhatsApp
Google Sheets
Slack
Mailchimp
Magento
Custom CRM

Ready to Capture Leads with Zero-Cost Missed Calls?

Schedule a free demo and discover how missed call service can generate leads, collect opt-ins and verify numbers at a fraction of traditional costs.

  • Free missed call number setup and configuration
  • Auto-response and callback workflow design
  • Dedicated account manager from day one

Request a Free Demo

Our team will reach out within 24 hours.

Got Questions?

Frequently Asked Questions

Everything you need to know about Missed Call Service.

A customer calls your dedicated missed call number and hangs up (or the call is automatically disconnected after 1-2 rings). The caller's number is captured instantly and the system triggers a pre-configured action and ” sending an auto-SMS, WhatsApp message or initiating an automatic callback. The caller pays nothing as the call never connects.

Yes. Missed call opt-in is accepted as a valid explicit opt-in method for DLT compliance under TRAI regulations. The caller's number, timestamp and opt-in channel are recorded and ” creating a verifiable consent trail for your SMS and WhatsApp marketing communications.

The system responds in under 5 seconds of receiving the missed call. Auto-SMS or WhatsApp messages are sent instantly, and if a callback is configured, the outbound call is queued and placed within seconds and ” ensuring you connect with leads while their interest is highest.

Yes. You can have multiple dedicated missed call numbers and ” one for each campaign, product line, ad channel or region. This allows accurate source attribution to measure which campaigns generate the most leads and optimise your marketing spend accordingly.