Moderate It's Ok mostly when urgent disconnects between conversations. It would be better if connected not disconnect in between the conversation
Not working Keeps on saying retrieving preconfigured list of service providers. . Don't even promptness for username and password.... note 4 duos
Great app to use but alws showing request was unauthorised pls check your username and password admin what's d solution to this?
Excellent Working excellently.
Too many times the signal goes poor. Even though I use 4G service. Kindly resolve these issues. Money goes without even talking
Excellent Excellent application for free. Supports many betamax clients, lightweight and useful
Various bug fixes
Grandstream Networks announces Wave, a free VoIP app for SIP-based calling
Linphone is an open source internet SIP phone or Voice Over IP phone (VoIP).