ASA 5510 MTA transfer from 8.0.4 to 8.2.2

SD-ASA-5510# conf t
SD-ASA-5510(config)# no service-policy voice_policy interface outside
SD-ASA-5510(config)# phone-proxy ASA-phone-proxy
SD-ASA-5510(config-phone-proxy)# no media-termination address 192.76.183.81
SD-ASA-5510(config-phone-proxy)# exit
SD-ASA-5510(config)# media-termination MTA
SD-ASA-5510(config-media-termination)# address 192.76.183.81 interface outside
SD-ASA-5510(config-media-termination)# address 172.16.0.81 interface inside
SD-ASA-5510(config-media-termination)# phone-proxy ASA-phone-proxy
SD-ASA-5510(config-phone-proxy)# media-termination MTA
SD-ASA-5510(config-phone-proxy)# service-policy voice_policy interface outside
SD-ASA-5510(config)#