CMVoIP SIP ClientFree
CMVoIP SIP client is a mobile VoIP software for all major mobile OS to demo Challenger Mobile technology. The CMVoIP client enables users to make mVoIP calls using any available IP network and access very competitive rates.
Downloads: 16,318+Report app for spam or abuse!
Nimbuzz Messenger Free
Nimbuzz Messenger is a free chat & calling app that helps you connect to your IM & Facebook friends.
WeChat is all-in-one communications app for text (SMS/MMS), voice & video calls, Moments, photos