Ghost call

A ghost call or phantom call is a telephone call for which, the recipient of the call answers, however there is no one on the other end of the call. The term is also used in managing IP PBX systems. Ghost calls on the lines that cannot be explained or are some residual output of one Real-time Transport Protocol or RTP stream interacting with the PBX. Ghost calls differ from silent calls which tend to be from telemarking organisations with no agents available to speak at the time an automated call has been placed.