The Ultimate SIP Trunking Guide for AI Voice Agents | Twilio + Vapi

In this video, we’re diving into how you can cut telephony costs for your AI voice agents using SIP trunking. I'll walk through everything step-by-step, from setting up SIP trunks with Twilio, to importing your existing VOIP or local carrier numbers, and connecting them directly to your AI assistant with Vapi.

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Timeline:
00:00 - Intro
00:31 - Explaination
03:30 - Twilio Outbound SIP Trunk Setup
11:15 - Twilio Inbound SIP Trunk Setup
12:09 - Porting Request for Importing Numbers
13:42 - Conclusion

Resources Mentioned 📎:

VAPI -
https://vapi.ai/?aff=jonas

POST REQUESTS -

//

1)

Endpoint: https://api.vapi.ai/credential

Body:
{
"provider": "byo-sip-trunk",
"name": "Twilio Trunk",
"gateways": [
{
"ip": "your-sip-uri-here"
}
],
"outboundLeadingPlusEnabled": true
}

2)

Endpoint: https://api.vapi.ai/phone-number

Body:
{
"provider": "byo-phone-number",
"name": "Twilio SIP Number",
"number": "+1xxxxxxxxx",
"numberE164CheckEnabled": false,
"credentialId": "credential id"
}

//

Instrument | @chukibeatz

Видео The Ultimate SIP Trunking Guide for AI Voice Agents | Twilio + Vapi канала Jonas Massie