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SIP Trunks

Is there Junk in your Trunk?

In telephony, a trunk line is a circuit that connects telephone switchboards (like a PBX system) to individual telephones. Essentially, a trunk contains telephone...

SIP Attack Protection

Recently we’ve been hearing of several hacks and attacks on 4PSA VoIPNow. It’s a worst nightmare come true for some users. In one example a hacker...