Thank you for your feedback! We greatly appreciate it! Can you try our latest beta for the connectivity issues ? https://play.google.com/store/apps/details?id=com.zoiper.android.zoiperbeta.app&hl=en
You should no longer see issues with account registration after network change, we rewrote all of the related code in 2.11.15. Let us know if you still have an issue please
v2.25.9 Remove frequently called Remove artificial limit on Favorites shown Drop Android 5.x support Unify fonts Update billing library to version 7 Ring for incoming call if "incoming call" channel is allowed to ignore DND. Does not work on all phones due to manufacturer limitations. Apply default value for MWI if provisioning does not contain one(QR or other) Fix crash on stopping debug log Fix missing checkbox on Use Reliable Provisional preference Handle lack of ringtone on some phones