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Step 1: Gather Your Information

  • PBX Extension:
Go to My Switchboard, Extensions on the main page.
Zadarma My Switchboard Extensions
Find the following information: 
Extension number: e.g., 1000
Server address: e.g., pbx.zadarma.com
Username: Your extension username
Password: Your extension password
Zadarma My Switchboard Extensions Settings
  • SIP Connection:
Phone number: e.g., +1 555 0123
SIP server: e.g., sip.zadarma.com
Username: Provided by your phone company
Password: Provided by your phone company
Go to Configuration, SIP Settings on the main page.
Zadarma SIP Settings
Find the following information:
Zadarma SIP Connection Settings
  • For IP Authorization type:
  1. Go to Services, Connect number on the main page.
    Zadarma Services
  2. Go to Active numbers.
    Zadarma Active Numbers
  3. Click on the number you want to connect and press settings button.
    Zadarma Settings Button
  4. Click on external services and then check the option for SIP URI.
Add sip:extension@5wed79aeavr.sip.livekit.cloud (this is Autocalls SIP server address) .
Zadarma External Services
You will need these IPs which you will put in step 2 for inbound authorization type.

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Step 2: Import numbers to Autocalls

You need to import to Autocalls.
  1. Go to your Autocalls.ai dashboard
  2. Navigate to Your Phone Numbers
  3. Click “Integrate SIP trunk”
    Import numbers to Autocalls
  4. Fill in your details based on your integration type
For PBX Extension:
Fill in your details based on your integration type
For SIP Connection:
Fill in your details based on your integration type
  1. Here you will supply the termination SIP URI you set up in Step 1.
Server address: e.g., pbx.zadarma.com / sip.zadarma.com based on your integration type
Zadarma Outbound Settings
  1. Here select Authorization type.
  • Add the IPs from Zadarma (Step 1).
    Twillio Autocalls Credentials IP Type
  1. Select the country of where your SIP trunk is located.
    Twillio Autocalls SIP Country

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Step 3: Verify Setup

After configuration:
  1. Make a test call to your number/extension
  2. Check that the AI assistant answers
  3. Use the test call feature to verify outbound calling

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Security Requirements

Your SIP credentials need to be secure:
  • Username: Your extension number or provider-supplied username
  • Password must have:
    • 12 or more characters
    • Numbers
    • Upper and lowercase letters
    • Special characters recommended

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Common Issues

Need help setting up? Our support team specializes in helping customers integrate their phone systems. We’ll guide you through the entire process, ensuring a smooth setup with your specific phone system configuration.