Configuration details of Firewall  If the VoIP Device is installed behind firewall, we need to grant access on some ports and to some domain mentioned below. Domains will change according to service provider like if it is net2phone account holder then domain will be all sip servers of net2phone, and if the customer is having deltathree Accounts then all sip severs of deltathree will get access. List of Ports to be Open both TCP and UDP.

Sl. No. Ports
1 5060
2 6801-6803
3 16384-16400
4 9000-9004
5 6070
6 7080
7 8090
8 8080
9 9090
        

List of Domains

Sl. No. Domains Type of Devices
1 Sip.net2phone.com All The Devices
2 Call1.net2phone.com Max Devices
3 Call2.net2phone.com Max Devices
4 prov1.net2phone.com Innomedia
5 Prov2.net2phone.com Innomedia
6 skipprov1.net2phone.com Innomedia
7 Skipprov2.net2phone.com Innomedia
8 sipvoiceline.net2phone.com Innomedia
9 66.33.146.18 Innomedia
10 Sipauth.deltathree.com All The Devices
11 Natrelay.deltathree.com All The Devices