Inrico PTT+
INRICO TECHNOLOGIES CO.,LTD
Mo PTT
Mottx Co., Ltd.
Ptt Mobil
T.C. Posta ve Telgraf Teşkilati Genel Müdürlüğü
批踢踢一下(PTT NOW)(台灣大學BBS)
WBW
Global-PTT
GLOBAL-PTT
Instant Talk PTT
Mobile Tornado Group Plc
Zello PTT Walkie Talkie
Zello Inc
对讲机 Slide2Talk
Slide2Talk Co.
Voxer Walkie Talkie Messenger
VoxerPro LLC
高清对讲机
이재용