This I-ETS specifies test methods for the conformance testing of electro-acoustic characteristics of analogue handset telephony terminals communicating across the European Public Switched Telephone Networks (PSTNs). Note: Test for access requirements are contained in another standard e.g. ETS 300 001 [1].
DS/I-ETS 300480:1997 history
1997DS/I-ETS 300480:1997 Public Switched Telephone Network (PSTN) - Testing specification for analogue handset telephony