Voip Phone Cebu To Japan Can You Tell Me How To Configure A VoIP Phone Adapter (Linksys PAP2T)?

Can you tell me how to configure a VoIP phone adapter (Linksys PAP2T)? - voip phone cebu to japan

I am in Cebu in the Philippines, I need a VoIP phone adapter to reduce phone bills. I have to buy a VoIP phone adapter, but you do not know how to configure. I need an international call, including Japan. Please say I can now purchase the Linksys PAP2T model.