Linphone Configuration Settings for Android Devices (Samsung Galaxy SGII
Here is what is required. (where xxxxxxxxxx is your login number that you received in your last email)
Download Application on your Mobile Device from Google Play Strore
Install
Enter this info in Linphone Settings
Username - XXXXXXXXXX
Password - the password (you received in the email)
Domain - (the domain that was sent via email)
And then set the codec to match the bandwidth of you net connection
Enjoy