Page history
21 November 2023
18 May 2022
17 May 2022
5 December 2021
Use the proper IP range for current AAISP VoIP servers
m+4
The description says port range of 5000-5098, so make the rules match (i.e. not 5000-5999)
m
19 November 2021
21 January 2021
Explain the options when using NAT, as ALGs are notoriously error prone
+247
Mention SIP Keep-Alives
+213
20 January 2021
9 January 2019
1 November 2018
Add explanation
m+102
Add an example for a consumer router (e.g. ZyXEL). Needs 6 rules - or 12 if your RTP port range doesn't include 5060
+800
Mention that RTP uses 2 ports, and that you can halve the number of firewall rules needed
+584