TR NPL 000314 : ISSUE 1

Provides Bellcore's view of proposed generic requirements for head telephone set (headset) with nominal 300-ohm receive and 50-ohm transmit impedance. The document contains technical generic requirements that are needed to determine headset's proper electrical and functional performance and compatibility with operator consoles, switchboards, or BOC networks. (This document is intended to be used in conjunction with and is refered to in the Operator Service Systems Generic Requirements, TR-TSY-000271).