IAX2 trunk and paging

I trying to setup a Page group across a IAX trunk. I have no problems if i stay inside one box. but when I try to page someone over the IAX trunk it just rings (no auto answer)

this is my setup

exten => 2903,1,SIPAddHeader(Call-Info: answer-after=0)
exten => 2903,2,Page(IAX2/192.XX.XX.1/5098/a)
exten => 2903,3,Hangup

i put the /a for auto answer

Any help would be great