I have made the edits above, but should I also add the lines below also for my second node number? The howto doesn't say I should, but it looks like I might want to.
[radio-secure-proxy]
exten => 1234,1,rpt,1234|X
exten => 5678,1,rpt,5678|X
exten => _0X.,1,Goto(allstar-sys|${EXTEN:1}|1)