https://bg5esn.com/tags/%E4%B8%8A%E8%A1%8C/ Recent content in 上行 on 大船地下室 Hugo zh-cn This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. https://bg5esn.com/kb/t-call/ Mon, 01 Jan 0001 00:00:00 +0000 https://bg5esn.com/kb/t-call/ T-CALL 是 1750Hz 单音脉冲信号：开启 T-CALL 激活后上行锁定，发 T-CALL 才恢复上行；也能敲开待机页面。