resolved with :
sudo nano /etc/dbus-1/system.d/ofono.conf
and added the following
<policy user="gemini">
<allow own="org.ofono"/>
<allow send_destination="org.ofono"/>
<allow send_interface="org.ofono.SimToolkitAgent"/>
<allow send_interface="org.ofono.PushNotificationAgent"/>
<allow send_interface="org.ofono.SmartMessagingAgent"/>
<allow send_interface="org.ofono.PositioningRequestAgent"/>
<allow send_interface="org.ofono.HandsfreeAudioAgent"/>
<allow send_interface="org.ofono.VoiceCallAgent"/>
<allow send_interface="org.ofono.NetworkMonitorAgent"/>
</policy>
