Bluetooth is not switched on before sending file

[igi]

Binary package hint: gnome-bluetooth

Preconditions:
1: bluetooth is on in both PC and mobile device;
2: bluetooth is switched off in PC via bluetooth-applet;

User action:
3: file is sent to mobile device via Nautilus with bluetooth-sendto;

Expected behaviour;
4a: bluetooth is automatically switched on in the PC;
5a: file is sent;
6a: bluetooth is automatically switched off in the PC (restore the initial condition);

Real behaviour:
4b: bluetooth-sendto file transfer dialog provides an "unknown error" message.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: gnome-bluetooth 2.32.0-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-28.50-generic-pae 2.6.35.11
Uname: Linux 2.6.35-28-generic-pae i686
Architecture: i386
Date: Tue Apr 26 20:26:11 2011
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcEnviron:
 PATH=(custom, no user)
 LANG=it_IT.utf8
 SHELL=/bin/bash
SourcePackage: gnome-bluetooth