A PISN nodal entity that provides automatic switching and call handling functions used for the provision of telecommunication services. The nodal entity can be implemented by one or more pieces of equipment located on the premises of the private network administrator or by equipment co-located with, or physically part of, a public network.
NOTE – If applicable, a PINX provides to users of the same and/or other private integrated services network exchanges:
– telecommunication services within its own area; and/or
– telecommunication services from the public ISDN; and/or
– telecommunication services from other public or private networks; and/or
– within the context of a PISN, telecommunication services from other PINXs.