Interoffice Trunk Facilities definition

Interoffice Trunk Facilities. -- means the facilities, including transport, switching and cross-connect facilities, necessary for the transmission and routing of telephone exchange service between two end offices, or an end office and a tandem office.
Interoffice Trunk Facilities. -- means the facilities, Telephony, the Institute for Electrical and Electronic Engineers, the including transport, switching and cross-connect facilities, International Telecommunications Union and the Internet necessary for the transmission and routing of telephone exchange Engineering Task Force.