Rate this page:


Looking for a quick introduction to our SIP offering, please check out the SIP Quickstart

Session Initiation Protocol (SIP) is a signaling protocol for initiating, terminating and modifying user sessions over an IP network. Most commonly, SIP is used in Voice Over IP (VoIP) services but is also often used for other communications sessions such as video calls and instant messaging sessions.

Explore Twilio's SIP resources:

Rate this page:

Need some help?

We all do sometimes; code is hard. Get help now from our support team, or lean on the wisdom of the crowd by visiting Twilio's Stack Overflow Collective or browsing the Twilio tag on Stack Overflow.

Loading Code Sample...

        Thank you for your feedback!

        Please select the reason(s) for your feedback. The additional information you provide helps us improve our documentation:

        Sending your feedback...
        🎉 Thank you for your feedback!
        Something went wrong. Please try again.

        Thanks for your feedback!