ITU-T P.33-1989
Subscriber Telephone Sets Containing Either Loudspeaking Receivers or Microphones Associated with Amplifiers - Telephone Transmission Quality (Study Group XII; 1 pp)
Home
ITU-T P.33-1989
Standard No.
ITU-T P.33-1989
Release Date
1989
Published By
ITU-T - International Telecommunication Union/ITU Telcommunication Sector
Copyright ©2023 All Rights Reserved