> ## Documentation Index
> Fetch the complete documentation index at: https://docs.sigmamind.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Connect via SIP Trunking with Twilio

> Guide to integrate Twilio phone numbers with SigmaMind using SIP trunking.

If you own phone numbers in **Twilio**, you can connect them to **SigmaMind** using Elastic SIP Trunking.

This guide will walk you through setting up SIP trunking in Twilio and registering the number in **SigmaMind**.

## Steps to Integrate

1. **Log in to Twilio Console** → [Twilio Elastic SIP Trunking](https://console.twilio.com/dashboard).

2. **Create a New SIP Trunk**
   * Go to **Elastic SIP Trunks → Create new SIP Trunk**.
     <img src="https://mintcdn.com/sigmamindai/TTkOrqvwQ_u0Zt8b/images/numbers/sip-integration/providers/twilio/create-new-sip-trunk-btn.png?fit=max&auto=format&n=TTkOrqvwQ_u0Zt8b&q=85&s=48a0cd6e8ea818bd4584c88839ffbd57" alt="SIP Trunking" width="686" height="396" data-path="images/numbers/sip-integration/providers/twilio/create-new-sip-trunk-btn.png" />

   * Give your trunk a descriptive name (e.g., *SigmaMind SIP Trunk*).
     <img src="https://mintcdn.com/sigmamindai/TTkOrqvwQ_u0Zt8b/images/numbers/sip-integration/providers/twilio/create-new-sip-trunk-form.png?fit=max&auto=format&n=TTkOrqvwQ_u0Zt8b&q=85&s=c5b2eadf1e783a935b5c816ca3221e45" alt="SIP Trunking" width="647" height="259" data-path="images/numbers/sip-integration/providers/twilio/create-new-sip-trunk-form.png" />

3. **Enable Call Transfer**
   * In the trunk settings, enable **Call Transfer** to allow inbound calls.
     <img src="https://mintcdn.com/sigmamindai/TTkOrqvwQ_u0Zt8b/images/numbers/sip-integration/providers/twilio/enable-call-transfer.png?fit=max&auto=format&n=TTkOrqvwQ_u0Zt8b&q=85&s=e810ea54ae76c007ddfa9d94f492f4d7" alt="SIP Trunking" width="956" height="256" data-path="images/numbers/sip-integration/providers/twilio/enable-call-transfer.png" />

4. **Configure Termination**
   * Under **Termination → Termination SIP URI**, enter:  unique id
   ```
   sigmamind-sip-trunking
   ```
   <img src="https://mintcdn.com/sigmamindai/TTkOrqvwQ_u0Zt8b/images/numbers/sip-integration/providers/twilio/add-termination-sip-uri.png?fit=max&auto=format&n=TTkOrqvwQ_u0Zt8b&q=85&s=1e97ed1f002d310da68aac806eedc4a0" alt="SIP Trunking" width="968" height="448" data-path="images/numbers/sip-integration/providers/twilio/add-termination-sip-uri.png" />

5. **Configure Origination**
   * Under **Origination → Origination URIs**, Click on `Add new Origination URI` and enter:
   ```
   sip:28y698lhv2f.sip.livekit.cloud
   ```
   <img src="https://mintcdn.com/sigmamindai/TTkOrqvwQ_u0Zt8b/images/numbers/sip-integration/providers/twilio/add-origination-uri.png?fit=max&auto=format&n=TTkOrqvwQ_u0Zt8b&q=85&s=8ee26dd9a2236dd7654510df1b20f8b5" alt="SIP Trunking" width="644" height="620" data-path="images/numbers/sip-integration/providers/twilio/add-origination-uri.png" />

6. **Configure Authentication**
   * Use **IP Authentication** or **Credential Lists** depending on your setup.
   * Ensure that SigmaMind can authenticate calls through Twilio.
   * Media Encryption: Enable **SRTP**.

7. **Assign Numbers**
   * Attach your purchased Twilio number(s) to the trunk.
     <img src="https://mintcdn.com/sigmamindai/TTkOrqvwQ_u0Zt8b/images/numbers/sip-integration/providers/twilio/assign-phone-number.png?fit=max&auto=format&n=TTkOrqvwQ_u0Zt8b&q=85&s=74c46bdf636dbbb4789cca12660498dc" alt="SIP Trunking" width="1624" height="315" data-path="images/numbers/sip-integration/providers/twilio/assign-phone-number.png" />

8. **Save and Test**
   * Save your SIP trunk settings.
   * Place a test call from your Twilio number.

***

## Verification

* Ensure the number appears in your **SigmaMind Dashboard** after configuration.
* Assign an **Inbound Agent** to the number to start receiving calls.

<Note>
  If you face connection issues, confirm that:

  * Transport protocol matches on both sides.
  * SRTP is enabled in Twilio trunk settings.
</Note>