[the_hofers]

http://www.gsm-tischtelefon.de/GSM-T...79ieo0u82bcj3u

http://www.telefon.at/index.asp?gruppe=105_109

http://www.ck-com.at/handyshop/Telto...0-schwarz.html

And, very retro:

http://www.sparkfun.com/commerce/pro...roducts_id=286

http://www.sparkfun.com/commerce/pro...roducts_id=287