SIP Interface over Twilio Interconnect

Twilio Interconnect allows you to connect your SIP infrastructure using a private connection (e.g. VPN, 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:

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 addresses using Twilio Interconnect

We strongly encourage you to allow 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:

    208.78.112.64
    208.78.112.65
    208.78.112.66
    Ports: 5060 (UDP/TCP), 5061 (TLS)

Media IPs:

    208.78.112.64/26
    Port Range: 10,000 to 20,000 (UDP)

North America Oregon Interconnect Gateways:

Signalling IPs:

    67.213.136.64
    67.213.136.65
    67.213.136.66
    Ports: 5060 (UDP/TCP), 5061 (TLS)

Media IPs:

    67.213.136.64/26
    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)

Europe Frankfurt Interconnect Gateways:

Signalling IPs:

    185.194.136.64
    185.194.136.65
    185.194.136.66
    Ports: 5060 (UDP/TCP), 5061 (TLS)

Media IPs:

    185.194.136.64/26
    Port Range: 10,000 to 20,000 (UDP)

Asia Pacific Singapore Interconnect Gateways:

Signalling IPs:

    103.75.151.68
    103.75.151.69
    103.75.151.70
   Ports: 5060 (UDP/TCP), 5061 (TLS)

Media IPs:

    103.75.151.64/26
   Port Range: 10,000 to 20,000 (UDP)

Asia Pacific Tokyo Interconnect Gateways:

Signalling IPs:

 103.144.142.68
 103.144.142.69
 103.144.142.70
    Ports: 5060 (UDP/TCP), 5061 (TLS)

Media IPs:

  103.144.142.64/26
    Port Range: 10,000 to 20,000 (UDP)

Asia Pacific Sydney Interconnect Gateways:

Signalling IPs:

- 103.146.214.68
- 103.146.214.69
- 103.146.214.70
    Ports: 5060 (UDP/TCP), 5061 (TLS)

Media IPs:

   - 103.146.214.64/26
    Port Range: 10,000 to 20,000 (UDP)