Ringing

Hi all, another challenge,
whenever i have inbound call, the call comes in without ringing on my web interface and at the same the caller will be hearing the agent even when they have not pick the call,
Note i'm using Zap channel,
Can anyone help me pls :
whenever i have inbound call, the call comes in without ringing on my web interface and at the same the caller will be hearing the agent even when they have not pick the call,
Note i'm using Zap channel,
Can anyone help me pls :