VoIP Security: Difference between revisions
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(Mention Grandstream's "Disable Direct IP calls". Just had my first dodgy SIP call - despite the firewall rules) |
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Solution: Firewall SIP as explained above.
Also some equipment may support the disabling of calls being sent direct from the Internet. For example, Grandstream firmware often has a feature ''Disable Direct IP calls'', which is worth using (unless you need to accept such calls).
[[File:aa-button.png|link=http://aa.net.uk/telecoms.html|Telecoms page on our main website]]
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