you can resolve this problem by selecting the source-address
for exemple
dial-peer voice 10 voip
transtion-profile incoming test
answer-address 5..(Directory Number for Building 1)
voice translation-rule 1
rule /\(^0\)/ /911\1/
voice translation-profile test
translate called 1
dial-peer voice 12 pots
destination-pattern 911T
port 0/0/0: 15(Access for Building 1)
i hope that it can helps