Fuze Inc.
Bytedance Pte. Ltd.
TalkHelper
Viber Media
Infonautics
PC-Telephone.com
MicroSIP
Fineshare Co., Ltd.
VaxSoft
VaxSoft
Fineshare
Finarea
Eassiy
FineShare Co., Ltd.
NCH Software
iotum
Screen, Inc.
Mark Heath
Pinger, Inc.
Soft Comfort
Nymgo
MicroSIP
8x8, Inc
Shark Labs
Pharao2n