Firewall Rules to Allow for I.T Communications VoIP Accounts

Customers who wish to secure their firewalls and only allow VoIP traffic to and from our VoIP Network, please ensure the below ports are allowed on your firewall from the below IP Addresses range and Port Numbers.

 IP Addresses Range:
212.38.183.0/27
212.38.169.224/27
185.131.8.0/22

Port Numbers:
udp / 5060:5061
udp / 1024:65534