Vapi Integration - Dashboard Setup

Connect your Vapi AI assistants to Vobiz SIP infrastructure using the visual dashboard interface.

Prefer using API/CLI?

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

Overview

This guide shows how to integrate Vapi with Vobiz using the dashboard to enable outbound calling - your AI assistants can call any phone number.

Call flow:

Integration Flow
Your App → Vapi API → Vobiz SIP → Phone Network → Person Answers → AI Assistant Speaks

Prerequisites

Before starting:

Step 1: Create SIP Trunk Credentials in Vapi

Create SIP Trunk Credentials in Vapi Dashboard
  1. Log in to Vapi Dashboard
  2. Click on Integrations in the sidebar
  3. Navigate to SIP Trunk Credentials
  4. Click Add New Credential
  5. Name your trunk (e.g., "Vobiz Trunk")
  6. Add Gateway URL: Enter your Vobiz SIP domain from Vobiz Console (e.g., bfab10fb.sip.vobiz.ai)
  7. Add Credentials: Enter username and password from your Vobiz trunk
  8. Enable outbound calling
  9. Click Save

Need your Vobiz credentials? Continue to Step 2 & 3 below to get them from Vobiz Console.

Step 2 & 3: Get Vobiz SIP Credentials

Vobiz Console - Trunk Details

From Vobiz Console:

  1. Log in to Vobiz Console
  2. Go to Trunks
  3. Select your trunk
  4. Copy the SIP Domain, Username, and Password
Vobiz Trunk Configuration

Use these credentials in Vapi:

  • SIP Domain/Gateway URL: bfab10fb.sip.vobiz.ai
  • Username: Vapi_user
  • Password: Password@123

These are the credentials you enter in Step 1 above.

Note: Don't have a Vobiz trunk yet? See SIP Trunks Documentation to create one.

Step 4: Import Your Phone Number

Import BYO SIP Trunk Number in Vapi
  1. In Vapi Dashboard, go to Phone Numbers
  2. Click Add Number
  3. Select BYO SIP Trunk Number
  4. Enter your Vobiz number (e.g., 08071387149 - the number you purchased from Vobiz)
  5. Select SIP Trunk Credentials: Choose the credential you created in Step 1
  6. Give it a label/name (e.g., "Vobiz Main Line")
  7. Click Import SIP Trunk Number

Your phone number is now registered and ready for outbound calling!

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

Step 5: Make an Outbound Call

Make Outbound Call in Vapi Dashboard
  1. In Vapi Dashboard, click Make a Call or go to Phone CallsNew Call
  2. Go to Outbound Settings
  3. Enter the phone number you want to call (e.g., +919148227303)
  4. Select your assistant from the dropdown
  5. Select the phone number to call from (your imported Vobiz number)
  6. Click Make Outbound Call
  7. The call will initiate!

Integration Complete!

Your Vapi assistant can now make outbound calls through Vobiz SIP infrastructure.

Troubleshooting

Call Doesn't Connect

Problem: SIP authentication fails or call doesn't go through.

Fix:

  • Verify SIP domain, username, password are correct in Vobiz Console
  • Ensure you're using the exact sip_domain (e.g., bfab10fb.sip.vobiz.ai)
  • Don't use generic sip.vobiz.ai

Insufficient Balance

Problem: Call fails due to low Vobiz credits.

Fix:

Assistant Doesn't Speak

Problem: Call connects but assistant is silent.

Fix:

  • Verify assistant has "First Message" configured in Vapi dashboard
  • Check assistant has voice provider set up correctly
  • View call logs in Vapi Dashboard → Calls for errors

Phone Number Format Error

Problem: Number not recognized or invalid format.

Fix:

  • Use E.164 format: +919148227303 (with +)
  • Or local format: 09148227303 (without +)
  • Verify the number is active in Vobiz Console

Need more detailed troubleshooting?

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

Next Steps

  • Customize your assistant

    Configure voice, personality, and responses in Vapi Dashboard

  • View call analytics

    Monitor call logs, transcripts, and metrics in Vapi Dashboard → Calls

  • Automate with API

    Learn to trigger calls programmatically in the API Setup Guide

  • Monitor usage

    Track Vobiz balance and call records