Integrating Twilio as a SIP Provider with VideoSDK

This guide walks you through connecting Twilio as your SIP provider to VideoSDK for both inbound and outbound calling.

Configuring Inbound Calling

1. Purchase a Number and Create a SIP Trunk in Twilio

• Log in to your Twilio Console.
• Purchase a phone number if you don't already have one.
• Create a new SIP Trunk in the Twilio Voice section.

2. Configure Inbound Gateway in VideoSDK

• Open the VideoSDK Dashboard.
• Go to Telephony > Inbound Gateway.
• Click Add Gateway and enter your Twilio number to create an inbound gateway.
• After creation, you will see an Inbound Gateway URI (e.g., sip:your-org-id.sip.videosdk.live). Copy this URI.

3. Configure Twilio SIP Trunk Origination

• In your Twilio SIP Trunk, go to the Origination section.
• Add the copied Inbound Gateway URI as the Origination target.
• Save your changes.

Video Demonstration: Inbound Configuration

Configuring Outbound Calling

4. Configure Twilio SIP Trunk Termination

• In your Twilio SIP Trunk, go to the Termination section.
• Set up the Termination SIP URI (the address VideoSDK will use for outbound calls).
• Add allowed IP addresses and set up authentication credentials (username and password) for the trunk.

5. Configure Outbound Gateway in VideoSDK

• In the VideoSDK Dashboard, go to Telephony > Outbound Gateway.
• Click Add Gateway and enter the Twilio Termination URI and authentication credentials.
• Save the gateway.

6. Set Up Routing Rules

• In the VideoSDK Dashboard, go to Telephony > Routing Rules.
• Create routing rules for both inbound and outbound calls, selecting the appropriate gateways and numbers.

Video Demonstration: Outbound Configuration

With these steps, your SIP trunk between Twilio and VideoSDK is fully configured for both inbound and outbound calls.