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Ringotel mitigates security risks by communicating with your PBX only from the trusted networks. It works as a secure VoIP tunnel that routes voice traffic form remote users to the connected PBX(s).

Ringotel’s unique architecture provides a number of advantages. You can find them on our dedicated How Ringotel Works web page.

Configure Firewall between the PBX and a Ringotel server

Please configure your Firewall/NAT to allow incoming traffic from the Ringotel IP(s) to the SIP (TCP/UDP) and RTP (UDP) ports configured on your PBX. Choose the IP address of the region which you configure when creating an organization in your Ringotel Shell portal (it is not required to white-list all regions).

Region

IP Address

Dublin

52.49.236.53

London

35.179.99.238, 3.10.183.230

US West

54.212.49.175, 44.229.252.175

US East

54.144.152.6, 3.229.25.209

Frankfurt

18.158.192.13, 52.29.63.118

Singapore

175.41.182.209, 13.215.100.9

Australia

52.64.60.63, 3.105.29.244

India

15.206.18.117, 3.7.21.184

For FusionPBX: Do not add Ringotel IP addresses to your FusionPBX ACL as this may cause outbound calls to not work. For your phone system, Ringotel works like any other SIP endpoint, such as IP phone and softphone.

Note: It is not required to white-list the full list of IPs. Only white-list the regions where you create organisations / users.

This list of IP addresses and regions is occasionally updated.

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