ALG SIP on firewall, router, etc.
If you experience that when a call comes in your SIP device is not ringing this might be due that on your (ISP) router the SIP is enabled on the ALG level. To solve this issue;- Login to your...
08 Feb, 2021 Comments: 0
Firewall ports required to use voice and data on OCCP
OCCP requires several ports to be opened outbound to our server(s). Depending on which server you are on, the firewall rule assumed here is Source = You Destination = OC Servers (Check your...
28 Mar, 2021 Comments: 0