ITU-T Q.500 SUPP 2-1988
Impedance strategy for telephone instruments and digital local exchanges in the British Telecom Network
Home
ITU-T Q.500 SUPP 2-1988
Standard No.
ITU-T Q.500 SUPP 2-1988
Release Date
1988
Published By
International Telecommunication Union (ITU)
Copyright ©2023 All Rights Reserved