link 
	from r2 to spare
	use_cost 2222
	latency 7
	voice_capable Y
end
link 
	from r3 to spare
	use_cost 2222
	latency 7
	voice_capable Y
end

contract
	from R3 to R2
	capacity 64 32
	packets_per_second 1
 	max_latency 40
	voice Y
end