Eedesy
Book Demo
HomeProductsContact
  1. Home
  2. Blog
  3. Telephony
  4. How to Build Two-Way Number Masking with the Session API (2026)
Number Masking

How to Build Two-Way Number Masking with the Session API (2026)

A developer guide to session-based number masking: bind two numbers to one virtual number with a single API call, route calls dynamically from your own server, and receive lifecycle events. Code samples included.

E
By Edesy Team
Published: July 18, 2026•6 min read
Back to blog

Table of contents

  • Sessions vs. click-to-call
  • Step 1: Create a session
  • Step 2: Let either party call
  • Step 3: Manage the session as the order changes
  • Step 4 (optional): Route calls dynamically from your own server
  • Step 5: React to lifecycle events
  • A note on scope
  • Putting it together
Back to blog

Share

Number MaskingAPITelephonyPrivacyIndiaDevelopersWebhooks

Stay Updated

Get the latest insights on AI, automation, and business growth.

Contact us

Related Articles

Number Masking

What Is Number Masking? Call Masking Explained (2026 Guide)

Number masking (call masking) connects two people on a phone call without revealing their real numbers. Learn how it works, use cases, India pricing, and how to add it via API.

6 min read
DPDP

DPDP Act and Voice AI: What Indian Businesses Need to Know (2026)

Complete guide to Digital Personal Data Protection Act compliance for AI voice agents in India. Consent management, data storage, recording rules, and best practices.

12 min read
Voice AI

Multi-Provider Telephony: Twilio vs Exotel vs Plivo vs Vobiz for Indian Voice AI

Comparison of telephony providers for voice AI in India. Pricing, reliability, Indian number support, and integration complexity.

2 min read

Stay Updated

Get the latest updates on AI voice technology, product releases, and exclusive resources.

Get Started

Try our products for free
AI Voice Agent
Build voice AI for calls
WhatsApp AI Bot
Automate WhatsApp chats
Website Chatbot
AI chat for websites
Edesy CRM
Manage leads & customers
Book a DemoCall UsEmail Us
Eedesy

Your all-in-one platform for digital innovation. We build AI-powered solutions that transform how businesses operate.

[email protected]+91 95475 31359

Products

  • AI Voice Assistant
  • Voice AI Suite
  • Telephony Suite
  • Messaging Suite
  • Business Apps Suite
  • WhatsApp Voice AI
  • WhatsApp Bot Builder
  • AI Website Chatbot
  • AI-SDR
  • Number Masking
  • Shopify Apps
  • View All Products

Solutions

  • For E-commerce
  • For Healthcare
  • For Real Estate
  • For Restaurants
  • For Appointments
  • View All Use Cases

Services

  • AI Chatbot Development
  • Voice AI Development
  • Shopify Development
  • SaaS Development
  • WhatsApp API Integration
  • View All Services

Resources

  • Documentation
  • Voice Agent Docs
  • API Reference
  • Number Masking API Docs
  • Blog
  • Changelog
  • Book a Demo

Company

  • About Us
  • Contact
  • Careers
  • Privacy Policy
  • Terms of Service

Products

  • AI Voice Assistant
  • Voice AI Suite
  • Telephony Suite
  • Messaging Suite
  • Business Apps Suite
  • WhatsApp Voice AI
  • WhatsApp Bot Builder
  • AI Website Chatbot
  • AI-SDR
  • Number Masking
  • Shopify Apps
  • View All Products

Solutions

  • For E-commerce
  • For Healthcare
  • For Real Estate
  • For Restaurants
  • For Appointments
  • View All Use Cases

Services

  • AI Chatbot Development
  • Voice AI Development
  • Shopify Development
  • SaaS Development
  • WhatsApp API Integration
  • View All Services

Resources

  • Documentation
  • Voice Agent Docs
  • API Reference
  • Number Masking API Docs
  • Blog
  • Changelog
  • Book a Demo

Company

  • About Us
  • Contact
  • Careers
  • Privacy Policy
  • Terms of Service
  • AI Voice Assistant
  • Voice AI Suite
  • Telephony Suite
  • Messaging Suite
  • Business Apps Suite
  • WhatsApp Voice AI
  • WhatsApp Bot Builder
  • AI Website Chatbot
  • AI-SDR
  • Number Masking
  • Shopify Apps
  • View All Products
  • For E-commerce
  • For Healthcare
  • For Real Estate
  • For Restaurants
  • For Appointments
  • View All Use Cases
  • AI Chatbot Development
  • Voice AI Development
  • Shopify Development
  • SaaS Development
  • WhatsApp API Integration
  • View All Services
  • Documentation
  • Voice Agent Docs
  • API Reference
  • Number Masking API Docs
  • Blog
  • Changelog
  • Book a Demo
  • About Us
  • Contact
  • Careers
  • Privacy Policy
  • Terms of Service

Popular Free Tools

Compress PDFMerge PDFPDF to WordGST CalculatorEMI CalculatorSIP CalculatorJSON FormatterBase64 EncoderImage CompressorQR Code GeneratorVoice AI ROI CalculatorAmazon FBA CalculatorAI Email WriterVideo to GIFPrivacy Policy GeneratorCRM ROI CalculatorMeeting Cost Calculator
Categories:PDF ToolsDeveloper ToolsFinance CalculatorsImage ToolsVideo ToolsAI Writing ToolsAudio ToolsWhatsApp ToolsDocument GeneratorsVoice AI ToolsE-commerce ToolsView All Tools

© 2026 Edesy Technology Labs Pvt Ltd

SSL Secured
99.9% Uptime