At 22:40h, on Saturday, April 30, 2016,
in message <ca+vx6klesfdbq16btpk8o2th8wbrdv0a_fys1p+r3-qvweb...@mail.gmail.com>,
on the subject of "[Linphone-users] How to block 'Ghost calls' from 100, 1000,
10000",
Nabeel explained.
> I need to block spam calls from SIP scanners such as Sipvicious. Please let
> me know how Linphone can be set to block/reject all calls except those
> coming from a specified trusted SIP proxy/server.
Did you read what it says in the official Linphone application user guide at
<http://www.linphone.ORG/user-guide.html>
QUOTE
Getting Started
You just downloaded Linphone on your iPhone, Android or Windows Phone 8.
Great !
But what happens now ?
...
Why aren't you developing a VoIP anti blocage solution ?
Yes VoIP blocage is something that should not exist, that's not real
internet.
Technically, an anti-blocage solution requires a server infrastructure that
linphone.org cannot afford, and we don't want to fight against anybody.
Also, there are operators that don't block VoIP in many countries.
UNQUOTE
Blocking can be done with firewall rules eg IPTABLES (or squivalent).
See introductory tutorial at
<http://www.howtogeek.COM/177621/the-beginners-guide-to-iptables-the-linux-firewall/>
You may find this article of interest.
<http://blog.sipvicious.ORG/2012/12/if-sipvicious-gives-you-ring.html>
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