I have no idea if these streams work on the N900, as I don't have one yet But here we go These channels have all been tested and stream fine from outside Turkey so there shouldn't be any Geoblocking.
TRT 1: mms://212.156.63.226/TV1
TRT 2: mms://212.156.63.226/TV2
TRT 3: mms://212.156.63.226/TV3
TRT 4 / Çocuk: mms://212.156.63.226/TV4
TRT Türk: mms://212.156.63.226/TRTTURK
TRT Avaz: mms://212.156.63.226/TRTAVAZ
TRT 5 Anadolu: mms://212.156.63.226/TV5
TRT Belgesel: mms://212.156.63.226/TRTBELGESEL
TRT Müzik: mms://212.156.63.102/TRTMUZIK
Kanal D: http://webtv.kanald.com.tr/CanliYayin/
Star TV: http://startv.com.tr/CanliYayin.aspx
ATV: http://atv.com.tr/canli_yayin
Show TV: http://www.showtv.com.tr/asx/SAlone....showtv&pType=1
Kanal 7: http://www.yayin.tv.tr/play.stream.php?id=1
Kanal 7 (Higher Quality): http://www.yayin.tv.tr/play.stream.php?id=20
Kanal 7 International: http://www.yayin.tv.tr/play.stream.php?id=2
Ülke TV: http://www.yayin.tv.tr/play.stream.php?id=3
Ülke TV (Higher Quality): http://www.yayin.tv.tr/play.stream.php?id=21
Samanyolu TV: http://live0.stv.com.tr/stv
Samanyolu TV Europe: mms://live.samanyolutv.de/stv_avrupa
Samanyolu Haber: http://live0.stv.com.tr/shaber
Mehtap TV: http://live0.stv.com.tr/mehtap
Yumurcak TV: http://live0.stv.com.tr/yumurcak
Samanyolu America: http://live0.stv.com.tr/syg
PowerTürk TV: mms://media1.powergroupturkey.com/Po
Kral TV: http://kraltv.com.tr/
Show TV Europe: http://www.showturk.tv/asx/default1....oduct=showturk
NumberOne TV: mms://94.76.204.106/numberone