SIP Interface over Twilio Interconnect

Twilio Interconnect allows you to connect your SIP infrastructure using a private connection (e.g. MPLS, cross-connect) to a Twilio SIP Interface.

Configure your SIP Interface over Twilio Interconnect

Sending SIP to Twilio

To connect over Twilio Interconnect, point your communications infrastructure to the following localized SIP Domain URIs:

SIP Domain URI Interconnect Exchange
{example}.sip.us1-tnx.twilio.com Ashburn, Virginia, United States
{example}.sip.us2-tnx.twilio.com San Jose, California, United States (coming soon)
{example}.sip.ie1-tnx.twilio.com London, United Kingdom (coming soon)
{example}.sip.sg1-tnx.twilio.com Singapore (coming soon)

Receiving SIP from Twilio over Twilio Interconnect

In order for your SIP Endpoint to receive calls from Twilio, you will use the same TwiML or REST API calls you use today. The only difference is that you will now be specifying your Twilio Interconnect Connection, by including the tnx parameter in the URI with the value of the desired Twilio Interconnect connection, for example:

    <Response>
        <Dial>
            <Sip>
                sip:yourusername@yourdomain.com;tnx={TNX_SID}
            </Sip>
        </Dial>
    </Response>

IP whitelist using Twilio Interconnect

We strongly encourage you to Whitelist all of Twilio's following IP address ranges and ports on your firewall for SIP signalling and RTP media traffic. This is important if you have Numbers in different regions and for resilience purposes (e.g. if North America Virginia gateways are down, then North America Oregon gateways will be used).

North America Virginia Interconnect Gateways:

Signalling IPs:

    69.5.92.68
    69.5.92.69
    69.5.92.70
    Ports: 5060 (UDP/TCP), 5061 (TLS)
Media IPs:
    69.5.92.64/26
    Port Range: 10,000 to 20,000 (UDP)

North America Oregon Interconnect Gateways:

Signalling IPs:

    50.31.227.68
    50.31.227.69
    50.31.227.70
    Ports: 5060 (UDP/TCP), 5061 (TLS)
Media IPs:
    50.31.227.64/26
    Port Range: 10,000 to 20,000 (UDP)

Europe London Interconnect Gateways:

Signalling IPs:

    185.187.132.68
    185.187.132.69
    185.187.132.70
    Ports: 5060 (UDP/TCP), 5061 (TLS)
Media IPs:
    185.187.132.64/26
    Port Range: 10,000 to 20,000 (UDP)

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 browsing the Twilio tag on Stack Overflow.