Page history
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
23 November 2017
7 September 2017
5 September 2017
3 September 2017
29 May 2015
13 May 2015
6 January 2015
12 September 2014
19 August 2014
13 August 2014
2 August 2014
29 May 2014
31 January 2014
16 January 2014
30 July 2013
no edit summary
mno edit summary
m+30
no edit summary
m+308
→Further VoIP Security
m+2
no edit summary
m+135
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m+424
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m+701
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m+6
no edit summary
m+40