IEEE Standard for Utility Telemetry Service Architecture for Switched Telephone Network
€138.00
IEEE Standard for Automatic Meter Reading via Telephone - Network to Utility Controller
Analogue PSTN terminal support interface
€269.00
Essential requirements for terminal equipment intended for connection to digital interfaces of the PSTN using Digital Access Signalling System No.2 (DASS 2)
IEEE Standard Telephone Loop Performance Characteristics
€107.00
IEEE Standard for the Application of Free Field Acoustic Reference to Telephony Measurements
€85.00
Essential requirements for connection of terminal equipment to 2-wire analogue interfaces, without capacitive termination, of public switched telecommunication networks using either the earth calling, the loop calling-disconnect clearing, the loop calling-guarded clearing or the loop calling-unguarded clearing signalling method
€374.00
Apparatus using cordless attachments (excluding cellular radio apparatus) for connection to analogue interfaces of public switched telephone networks Specification general requirements
€81.00
Private Telecommunication Network (PTN) - Specification, functional model and information flows - Call completion supplementary services; English version ETS 300365:1994
€157.10
Private Telecommunication Network (PTN) - Specification, functional model and information flows - Call offer supplementary service; English version ETS 300361:1994
€116.64
Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Call offer supplementary service; English version ETS 300362:1994
€91.03
Private Telecommunication Network (PTN) - Specification, functional model and information flows - Do not disturb and do not disturb override supplementary services; English version ETS 300363:1994
€173.74
Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Do not disturb and do not disturb override supplementary services; English version ETS 300364:1994
€145.14
Private Telecommunication Network (PTN) - Specification, functional model and information flows - Call intrusion supplementary service; English version ETS 300425:1995
Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Call intrusion supplementary service; English version ETS 300426:1995