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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!

VoIP Security: Difference between revisions

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Adsb (talk | contribs)
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Mention Grandstream's "Disable Direct IP calls". Just had my first dodgy SIP call - despite the firewall rules
Adsb (talk | contribs)
editor
521 edits
Use the right Grandstream option - "Disable Direct IP calls" is for making calls, not receiving them
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Solution: Firewall SIP as explained above.
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).
Also some equipment may support the disabling of calls being sent direct from the Internet. For example, Grandstream firmware often has a feature ''Allow Incoming SIP Messages from SIP Proxy Only'', 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]]
[[File:aa-button.png|link=http://aa.net.uk/telecoms.html|Telecoms page on our main website]]
Retrieved from "http://support.aa.net.uk/VoIP_Security"