IP-PSTN Intermix: WebRTC SDK Integration

Integrate WebRTC-based calling into your web and mobile applications, enabling browser-to-phone and browser-to-browser calls through Exotel's platform.

Key Features

• Browser-to-Phone -- Make calls from web apps to PSTN numbers
• Browser-to-Browser -- VoIP calls between web clients
• Authentication Tokens -- Secure token-based access valid for 90 days
• Application Management -- Register, configure, and manage calling applications
• User Management -- Map users under applications with SIP credentials
• Call Notifications -- Handle inbound and outbound call events via webhooks
• Device Management -- Toggle phone/SIP device status per user
• App Settings -- Configure webhooks for popups, missed calls, callbacks, recording, and streaming

Base URL

https://integrationscore.mum1.exotel.com/v2/integrations

Authentication Flow

1. Customer Token -- Authenticate with customer ID and secret (Entity: "customer")
2. Register App -- Create an application using the customer token, receive AppID and AppSecret
3. App Token -- Authenticate with AppID and AppSecret (Entity: "app")
4. Manage Users & Settings -- Use the app token for all subsequent operations

Tokens are valid for 90 days.

Integration APIs

API	Description
Authentication	Create auth tokens for customers or apps
Applications	Register, list, retrieve, and delete calling applications
App Settings	Configure webhooks for call events, recording, and streaming
Users	Map, list, and manage users within applications
Device Management	Toggle phone/SIP devices for users
Call Notifications	Handle inbound and outbound call notification callbacks
Customer Management	Retrieve and delete customer accounts

Resources

• Exotel Postman Collection -- Complete API examples
• Contact your Exotel account manager for SDK access and documentation

HTTP Status Codes

Code	Description
200	Success
400	Bad request / Invalid parameters
401	Unauthorized / Invalid token
500	Internal server error