Tag
nat
5 posts.
Why your VICIdial cloud box needs a public IP
A cloud VICIdial server without a routable public IP will fail to exchange SIP and RTP traffic with carriers, leaving agents with no audio.
Read postFixing NAT one-way audio in the cloud
One-way audio on a cloud VICIdial server almost always means Asterisk is advertising its private IP in SDP instead of the routable public address.
Read postInstalling VICIdial on a VPS
A VPS is a fine home for VICIdial if you get three things right: a real public IP, an open RTP range, and NAT handled. Here's how each one bites.
Read postWhen an agent can't hear the customer but the customer hears them
One-way audio means RTP is flowing in only one direction, almost always blocked by NAT, a firewall, or routing on the agent's leg.
Read postOne-way audio on carrier calls: causes and fixes
One-way audio means signaling connected but RTP media is blocked one direction — almost always a NAT, public-IP, or RTP-port problem. Here is how to find it.
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