ITU-T P.381-2014
Technical requirements and test methods for the universal wired headset or headphone interface of digital mobile terminals

Standard No.

ITU-T P.381-2014

Release Date

2014

Published By

International Telecommunication Union (ITU)

Replace

ITU-T P.381-2012

ITU-T P.381-2014 history

• 1998 LST ETS 300 289-1998 Business Telecommunications (BTC). 64 kbit/s digital unrestricted leased line with octet integrity (D64U). Connection characteristics