Hi,
Its hard to find the English manual on the Siemens site but here it is.
http://download.gigaset.com/repository/1275/127598/A31008-M1801-A601-1-UZ19_17-11-2008_en_ARE.pdf
Also, press Menu 321 to change the language in to English on the handset.
Bon Chance et Bon Corage !
Alex, April 2009