Use new helper functions

calls.go

@@ -7,9 +7,6 @@ import (
 )
 
 func initCallNotifs(dev *infinitime.Device) error {
-	// Define rule to filter dbus messages
-	//rule := "type='signal',sender='org.freedesktop.ModemManager1',interface='org.freedesktop.ModemManager1.Modem.Voice',member='CallAdded'"
-
 	// Connect to dbus session monitorConn
 	monitorConn, err := newSystemBusConn()
 	if err != nil {

notifs.go

@@ -30,15 +30,7 @@ import (
 
 func initNotifRelay(dev *infinitime.Device) error {
 	// Connect to dbus session bus
-	bus, err := dbus.SessionBusPrivate()
-	if err != nil {
-		return err
-	}
-	err = bus.Auth(nil)
-	if err != nil {
-		return err
-	}
-	err = bus.Hello()
+	bus, err := newSessionBusConn()
 	if err != nil {
 		return err
 	}