Not even start
Tthis is a very good app. You are off to a good start. Clean interface and works out of the box!
Best SIP client ever!
Macromax I like
Code which prevents crash when can't connect to video device
Ability to receive DTMF
New method setRtpPort
G.723 and G.722 codecs
ilbc codec (Video SDK)
OPUS codec (Audio SDK)
Ability to raise onIncomingCall event even when there is already established call (VideoSDK)
Fixed potential crash on destroying phone instance destroy()
Fixed potential crash on converting string
Removed TEXTREL to work correctly on Android 7
Ability to insert 'ContactDetails'/'ContactDetailsUri' in Contact header
Linphone is an open source internet SIP phone or Voice Over IP phone (VoIP).
Grandstream Networks announces Wave, a free Video VoIP app for SIP-based calling