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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!
(Mention Grandstream's "Disable Direct IP calls". Just had my first dodgy SIP call - despite the firewall rules) |
(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.
Also some equipment may support the disabling of calls being sent direct from the Internet. For example, Grandstream firmware often has a feature ''
[[File:aa-button.png|link=http://aa.net.uk/telecoms.html|Telecoms page on our main website]]
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