3rd Party Firewall Rules
This page is part of the Network and QoS guides.
Networking
IP Addresses
The following addresses must be allowed to pass through your firewall to ensure proper function of your phone systems.
Allow
Voice/Video Traffic
- Primary Addresses: 216.58.152.240/28
- Secondary Addresses: 74.63.180.0/28
Fax Traffic
- ATA: ataserver.ipfax.net & ataini.ipfax.net
Ports
The following ports must be allowed to pass through your firewall to ensure proper function of your phone systems.
Allow
SIP (SIP Handshaking)
- UDP/TCP: 5060-5062
WebSockets (NOVA Web Softphone, Mobile App)
- TCP: 9002
RTP (Streaming Audio and Video for calls)
- UDP/TCP: 20000-32000
Advanced Routing Options
Not all firewalls, gateways, or modems will have these options visible. You may have to contact your ISP in order to make sure they have these options disabled on your incoming connection.
Disable
Settings
- SIP-ALG
- H.225
Sonic Wall Specific Routing
Disable
Settings
- SIP Transformations
Enable
Settings
- Consistent NAT
- UDP Timeout to 120
VoIP Bandwidth Requirements
Our default compression uses 90kbps up & down for one single call.
Example: 6 active calls is roughly 540kbps up & down reserved. This would be a normal use case for ~20 seats with an average use of 30%.
- hi
- there
- test
