asterisk users - Nov 2006 - [Voicemail] Change the format of the VM_DATE

Dear all,
I just want to change the format of the VM_DATE (used in the mail sent 
to the user).
I'm french and the format is not very acceptable for my users ....
Friday, November 10, 2006 at 04:28:43 PM could be replace by
Vendredi 10 Novembre 2006 ? 16h28
Any idea ?
Thanks a lot,

-- 
Jean-Baptiste Bellet
Ing?nieur D?velopppement
Lucyde SAS
Prologue 1 - La Pyr?n?enne BP 27201 LABEGE cedex
+33 (0)5 34 31 86 36
http://www.lucyde.com