Telnyx

1. Create the trunk, select FQDN as the type, and give it a name.

2. Add FQDN Add the FQDN of PreCallAI’s SIP server: 5t4n6j0wnrl.sip.livekit.cloud. Select SRC as the DNS record type.

3. Setup Outbound Calls Authentication

Select credentials as the authentication method, and add the username and password. You will need to use this username and password when importing the number to PreCallAI.

4. Setup Inbound Setting

• Select +E.164 as the number format.
• Select G722, G729, OPUS as the codec.
• Select TCP as the transport method. (UDP temporarily not supported due to a connectivity issue)
• Select your SIP region.

5. Setup Outbound Setting

Create a new outbound voice profile

And select that in the outbound setting

You’ve created the elastic SIP trunk, now you would need to purchase numbers / move existing numbers to this trunk.

Now the number is set up with your elastic SIP trunking, you need to import the number to PreCallAI so that we will know how to route the call.

Here you will supply the termination SIP URI you set up in Step 1. If you have set up auth via credentials, you will need to supply the username and password as well.