BIGLOBEでんわ
BIGLOBE Inc.
Google Voice
Google LLC
叮咚 – 英国美国电话号码, SMS短信+国际电话
Dingtone Phone
b-mobile電話
日本通信株式会社
BOSS Revolution: Calling App
Boss Revolution
Email Blue Mail - Calendar
Blix Inc.
Text Free: WiFi Calling App
Pinger, Inc
Voxer Walkie Talkie Messenger
VoxerPro LLC