General Firewall Rules
This article outlines the ports that need to be open to allow for endpoint registration and call processing.
General Setting – SIP ALG
SIP ALG stands for Application Layer Gateway. You will find it on many commercial and residential Firewalls, Routers, or Modems.
We recommend that this option be turned OFF or Disabled on your router.
Destination address’s to allow
Core1.b1communications.ca
Core2.b1communications.ca
Ports to allow
| Port | Protocol | Application | Description |
| 5060 | TCP and UDP | SIP | Needed for SIP signaling. |
| 5061 | TCP and UDP | SIPS | Needed for secure SIP signaling. |
| 9002 | TCP | WebSockets | Required for SNAPmobile Web communication. |
| 20000-27999 | UDP | RTP | Needed for Audio/Video streams (RTP) |
