An addressable call endpoint – a software
structure that binds a dialed digit string to a voice port or IP address
of the destination gateway
. Several dial peers always exist on each router
in the network
, and at least two dial peers will be involved in making a call across the network, one on the originating end and one on the terminating end. In Voice over IP, there are two kinds of dial peers: POTS
. VoIP peers point to specific VoIP devices.