iss voice region 1 England

Hi all am I right in thinking when iss is in voice mode its 145.200 up and 145.800 down. I use yaesu ft-8900 so am I right in thinking I use repeater shift of minus 600 for voice and use vfo(a) with 437.800 up and vfo(b) with 145.800 for repeater work. I have read so many articles with different answers im confused My tracker software tells me up 145.200 and 145.800 for down please help....
Owen

m3otm – Sat, 2004 – 10 – 16 17:00