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Overview

Purchase phone numbers to enable inbound and outbound AI calling. Phone numbers are billed monthly and require business verification before purchase.
Phone numbers are billed monthly on a recurring basis from the date of purchase.

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Prerequisites

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Business Verification

Required Before Purchase: Before you can buy phone numbers, you must complete business verification by submitting:
  1. GST Certificate - Goods and Services Tax registration
  2. CIN Certificate - Corporate Identification Number
1

Navigate to Compliances

Go to Dashboard → Settings → Compliances
2

Upload GST Certificate

Upload your company’s GST certificateRequirements:
  • Valid GST registration
  • Clear, readable document
  • PDF or image format
3

Upload CIN Certificate

Upload your company’s CIN certificateRequirements:
  • Valid corporate identification
  • Official government document
  • PDF or image format
4

Wait for Verification

Our team will verify your documents within 24-48 hoursWhat We Check:
  • Document authenticity
  • Company details match your account
  • Valid registration numbers
5

Get Approved

Once verified, you can purchase phone numbersYou’ll receive notification when verification is complete
Attempting to purchase without verification will redirect you to the compliances page.

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Sufficient Credits

Ensure you have enough credits in your account: Important:
  • Credits are deducted immediately upon purchase
  • Phone numbers are billed monthly on a recurring basis
  • Billing continues monthly on the same date
Check your credit balance and recharge before purchasing if needed.

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Purchase Process

1

Navigate to Purchase Page

From Phone Numbers dashboard, click “Buy Phone Numbers” button
If not verified, you’ll be prompted to complete compliance first.
2

Browse Available Numbers

View table of available phone numbers with:Columns:
  • Phone Number - Full number with country code
  • Country Code - Country prefix (+91 for India)
  • Price - Monthly cost
  • Purchase - Buy button
Features:
  • Search by phone number
  • Filter by country code
  • Sort by number or country
3

Select a Number

Click “Purchase” button on your desired numberA confirmation modal will show:
  • Complete phone number
  • Country code
  • Monthly price
  • Credit deduction warning
4

Confirm Purchase

Review details and click “Buy Now”
Credits will be deducted immediately from your account
What Happens:
  • Credits deducted instantly
  • Number added to your account
  • Billing starts today
  • Number becomes active immediately
5

Configure Agents (Optional)

After purchase, you can immediately configure:Outbound Agent:
  • Select one agent for outbound calls
  • Agent must not have an outbound number assigned
  • This number will be used for all outbound calls from this agent
Inbound Agent:
  • Select one agent to handle incoming calls
  • Any agent can be assigned
  • All calls to this number will be handled by this agent
You can skip this step and configure agents later from the Phone Numbers page.
6

Save Configuration

Click “Save” to assign agents to the numberOr skip to configure later

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After Purchase

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Immediate Changes

Once you purchase a number: ✅ Number is Active - Ready for calls immediately
✅ Credits Deducted - Monthly cost removed from balance
✅ Billing Started - First cycle complete, next billing in 30 days
✅ Available in Dashboard - Appears in your Phone Numbers list

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Configure Agents

You can assign agents to your number anytime: From Phone Numbers Dashboard:
  1. Find your purchased number
  2. View Outbound Agents and Inbound Agent columns
  3. Configure from agent settings
Agent Assignment Rules:
  • Outbound: One agent per number (agent can’t have multiple outbound numbers)
  • Inbound: One agent per number (but agent can handle multiple inbound numbers)

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Next Billing Date

Your billing cycle starts immediately: Example: 
Purchase Date: January 15, 2024
First Payment: January 15, 2024 (credits deducted immediately)
Next Billing: February 15, 2024
Following Billing: March 15, 2024
...and so on
See the Phone Numbers Overview for detailed billing policy.

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Compliance Requirements

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Why Verification is Required

Phone number registration in India requires business credentials: Legal Requirements:
  • TRAI (Telecom Regulatory Authority of India) regulations
  • DLT (Distributed Ledger Technology) compliance
  • Anti-spam measures
Our Verification:
  • Ensures legitimate business use
  • Prevents spam and fraud
  • Maintains platform integrity

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Documents Needed

Goods and Services Tax RegistrationWhat It Proves:
  • Registered business in India
  • Valid tax compliance
  • Legitimate commercial entity
How to Get:
  • Register on GST portal
  • Complete business registration
  • Receive GST certificate
What We Need:
  • Clear copy of certificate
  • Valid GST number
  • Company name matching your account
Both documents are mandatory. Partnership firms and sole proprietors may have different requirements - contact support for guidance.

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Verification Timeline

Typical Process:
  1. Submit Documents - Upload GST and CIN certificates
  2. Under Review - Our team verifies (24-48 hours)
  3. Approved - You can purchase numbers
  4. Rejected - Resubmit with corrections
Common Rejection Reasons:
  • Blurry or unreadable documents
  • Company name mismatch
  • Expired certificates
  • Invalid registration numbers
  • Pending government verification

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Best Practices

Complete business verification before you need numbersWhy:
  • Verification takes 24-48 hours
  • Can’t purchase until approved
  • Avoid campaign delays
Recommendation: Submit documents as soon as you create your account
Keep enough credits for monthly renewalsBest Practice:
  • Keep enough credits for monthly renewals
  • Recommended: At least 3-6 months worth of phone number costs
  • This prevents service disruption from insufficient credits
Select numbers that match your use caseConsiderations:
  • Country Code: Match your target audience
  • Number Pattern: Easy to remember (if customer-facing)
  • Local Prefix: Local numbers get better pickup rates
Set up agents right after purchaseWhy:
  • Number is ready to use instantly
  • Avoid confusion later
  • Test immediately
During Purchase: Use the post-purchase agent configuration modalOr Later: Configure from Phone Numbers dashboard

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Troubleshooting

Issue: Redirected when clicking “Buy Phone Numbers”Cause: Business verification not completeSolution:
  1. Check if you’ve submitted GST and CIN
  2. Go to Settings → Compliances
  3. Upload required documents
  4. Wait for verification (24-48 hours)
  5. Try again after approval
Issue: “Insufficient credits” when purchasingCause: Account balance less than phone number costSolution:
  1. Check current credits in dashboard
  2. Recharge account with sufficient amount
  3. Try purchasing again
Issue: Still pending after 48 hoursPossible Reasons:
  • High verification queue
  • Document issues
  • Pending clarification
What to Do:
  1. Check for email from support team
  2. Log into Settings → Compliances
  3. See if documents were rejected
  4. Contact support with your ticket number
Issue: Can’t select agent for outbound configurationCause: Agent already has an outbound number assignedSolution:
  1. Check agent’s current configuration
  2. Remove number from existing agent
  3. Or create a new agent
  4. Assign new agent to the purchased number
Issue: Purchased but not in Phone Numbers listSolution:
  1. Refresh the page
  2. Check if credits were deducted
  3. Verify purchase confirmation
  4. Contact support if still missing

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FAQs

No, business verification is mandatory for all phone number purchases. This is required by Indian telecom regulations.
Typically 24-48 hours after document submission. You’ll receive email notification once approved.
Partnerships and sole proprietors may have different requirements. Contact support@callkaro.ai for guidance on your specific business type.
No refunds are provided. You can unrent the number, but billing for the current cycle is complete and non-refundable.
No limit. Purchase as many numbers as needed for your campaigns, subject to available credits.
You can select from available numbers in our inventory. Custom vanity numbers may be available - contact sales.

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Getting Help

View Your Numbers

Manage your purchased phone numbers and unrenting

Contact Support

Get help with verification, purchasing, or technical issues