FAQ - Security Issues
From HostedSwitch®
What are the authentication methods of VoIP connection between an originator and terminator?
HostedSwitch® defines where the call came from by IP address of TCP connection. Each given gateway belongs to one HostedSwitch® Member, so we can easily define who originated the call. As a measure against false calls HostedSwitch® verifies the Access Token of the calls. In addition SIP Originated calls are authenticated by username and password set in the Equipment settings.
How can I prevent my gateways from incoming unauthorized traffic?
You may protect your network with a firewall. Configure the access lists of your firewall in the following way: Deny TCP (at least on ports 1720 and 5060) to/from all external hosts except HostedSwitch®. Permit UDP (ports higher than 1024, except 5060) to/from all external hosts. Please note that HostedSwitch® takes all the responsibility for the traffic authorized by HostedSwitch®. At the same time, HostedSwitch® does not take any responsibility for traffic whose signaling has come from the sources other than HostedSwitch®.
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