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Check out the API-Based Setup Guide for curl commands and programmatic integration.

Overview

Time to complete

~15 minutes

Difficulty

Beginner-Friendly (No Code)

Goal

Connect AI to a real phone

This guide shows how to integrate ElevenLabs with Vobiz using the dashboard. By the end, you'll have set up outbound calling—so your conversational AI agent can call any real phone number with an ultra-realistic voice.

Call flow:

Outbound
Your App
ElevenLabs Agent
Vobiz SIP
Phone Network
Person Answers
AI Assistant Speaks

Prerequisites

Before starting:

Step 1: Import Phone Number from SIP Trunk

Import Number from SIP Trunk in ElevenLabs Dashboard
  1. Log in to ElevenLabs Dashboard
  2. Navigate to Phone Numbers in the sidebar
  3. Click Import Number
  4. Select Import from SIP Trunk

Step 2: Label Your Phone Number

Label Phone Number in ElevenLabs

Enter Phone Number Details:

1. Label - Add a name for easy identification

  • Example: "Vobiz Main Line" or "Customer Support Line"

2. Phone Number - Enter your Vobiz phone number

  • Example: +911234567890
  • Format: Include country code with +
  • Alternative format: 01234567890 (without +)

Click Next to continue to outbound configuration.

Need a phone number? See Phone Numbers Documentation to purchase one from Vobiz.

Step 3: Configure Outbound Settings

Configure Outbound SIP Trunk Settings

Outbound Configuration:

1. Transport Type

Select: TCP

2. Address (SIP Trunk Address)

Find your unique SIP Domain in the Authentication & Linking section of your trunk in the Vobiz Console:

SIP Domain

<your_unique_domain>.sip.vobiz.ai

This is the hostname where ElevenLabs will send the SIP INVITE.

3. SIP Trunk Username

Find your unique Username in the Authentication & Linking section of your trunk:

Username

<your_username>

4. SIP Trunk Password

Find your unique Password in the Authentication & Linking section of your trunk:

Password

<your_password>

Where exactly are my Vobiz credentials?

  • Log in to the Vobiz Console
  • Navigate to SIP TrunkOutbound TrunksTrunks.
  • Click on your Trunk.
  • Scroll down to the Authentication & Linking section to copy your unique credentials.

Click Save or Import to complete the setup.

Success Target

Fantastic! Your ElevenLabs Agent is now wired up to Vobiz. You are ready to start making real phone calls.

Step 4: Configure Inbound Calling

To allow people to call your AI agent, you need to configure inbound calling.

1. Configure SIP URI

In your Vobiz SIP Trunk configuration or Application Answer URL, point incoming calls to the ElevenLabs SIP URI:

SIP URI:

ElevenLabs Inbound URI
sip.rtc.elevenlabs.io:5060

Transport:

TCP
SIP URI Configuration

2. Import Number to ElevenLabs

Go to ElevenLabs Phone Numbers and click to Import from SIP Trunk.

Import Phone Number from SIP Trunk

3. Configure Number Details

Enter a label (e.g., "Main Line") and your Vobiz phone number.

Configure Number Details

4. Attach Number

Once added, locate the number in your list and click Attach to link it to an agent.

Attach Number to Agent

5. Select Agent

Select Agent

Test your Inbound Call

To verify the setup, simply dial the phone number you attached from any phone. The selected ElevenLabs agent should pick up and start the conversation.

Step 5: Make Your First Call

Make Outbound Call in ElevenLabs Dashboard
  1. In ElevenLabs Dashboard, navigate to Phone Numbers
  2. Select the phone number you just imported
  3. Click Make Outbound Call button
  4. Select your agent from the dropdown
    • This is the conversational AI agent you created in ElevenLabs
  5. Enter the destination phone number
    • Example: +919988776655
    • Must include country code
  6. Click Call or Start Test Call

The call will initiate immediately!

What happens next:

  • Phone rings at destination number
  • When answered, your ElevenLabs agent speaks
  • Agent says the configured "First Message"
  • Conversation begins with natural voice interactions

Verify Your Call:

View call logs and transcripts:

  1. Go to Agents Platform → Your Agent
  2. Click Call History or Conversations
  3. View call details, transcripts, and recordings

Dashboard Setup Complete!

You can now make calls from the ElevenLabs Dashboard anytime. Your AI agent can call any phone number through Vobiz SIP infrastructure.

Troubleshooting

SIP 408 Request Timeout

Problem: Vobiz trunk cannot reach ElevenLabs SIP servers.

Fix:

  • Verify SIP trunk address is correct (e.g., abc123def.sip.vobiz.ai)
  • Check transport type is set to TCP
  • Verify Vobiz trunk status is active in Vobiz Console

SIP Authentication Failed

Problem: Wrong username or password.

Fix:

  • Verify username and password in Vobiz Console → Trunks
  • Ensure credentials match exactly (case-sensitive)
  • Re-enter credentials in ElevenLabs dashboard

Call Connects But Silent

Problem: Agent configuration issue or voice not set.

Fix:

  • Verify agent has "First Message" configured in ElevenLabs dashboard
  • Check agent has valid voice selected
  • Test voice in ElevenLabs dashboard first
  • View call logs in ElevenLabs Dashboard for errors

Call Doesn't Connect

Problem: Wrong phone number format or trunk configuration.

Fix:

  • Use E.164 format: +919988776655 (with +)
  • Or local format: 09988776655 (without +)
  • Verify Vobiz trunk is active
  • Check Vobiz CDR logs for call attempts

Need more detailed troubleshooting?

Check the complete troubleshooting guide in the API documentation for more error scenarios and solutions.

Next Steps

  • Customize your agent

    Configure voice, personality, prompts, and first message in ElevenLabs Dashboard

  • View call analytics

    Monitor call logs, transcripts, and conversation history in ElevenLabs Dashboard → Call History

  • Automate with API

    Learn to trigger calls programmatically in the API Setup Guide

  • Monitor usage

    Track Vobiz balance and call records