LS | Title | From | To | Approval date |
SG12-LS2 | LS on the state of Headset Interface test methods and requirements (reply to SG12-TD49) | SG12 | 3GPP TSG SA4; GSMA TSGVLR; | 2017-01-19 |
GSMA TSGVLR-LS1 | LS on Headset Electrical Interface test methods and requirements | GSMA TSGVLR | SG12; | 2016-12-08 |