Cant type user name Only number pad for entering user name
* Notifications for connection status, both success and failure
* Improved reliability
* WebRTC echo canceller and iLBC implementation
* AMR-NB codec if available on the phone
* Improved ability to sign in or sign up for an acount
Linphone is an open source internet SIP phone or Voice Over IP phone (VoIP).
Grandstream Networks announces Wave, a free VoIP app for SIP-based calling