Wouldn't this be better asked in the General or Home Networking forums?
As a knowledgeable Orange user happily using the Siemens router, I wouldn't know how to answer it.
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU BB => 2010: Orange 16 Meg LLU BB