Simplifi Contact - Firewall Requirements

If you have a firewall on site, you need to ensure that the below IP range and ports are open so our servers can properly communicate with the devices:

VoIP Traffic

IP Range:

Port Ranges:  5060, 7000, and 16384 - 32768

Transport Protocol:  Both UDP and TCP


HTTPS Fax Solution (AudioCodes ATA)

Server IP: 

Port Ranges: 443, 50, 51, and 52

Transport Protocol: TCP


Call Recording Server - When FTP/SFTP'ing Files to Remote Destination

Server IP:

Test Connection IPs:,

Port Ranges: 21, 22 (FTP and SFTP)

Transport Protocol: TCP