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mem94043,You do realize that the MiVO-250 can take the SIP Trunks directly into itself; right?All you need to get are SIP Trunk Licenses for how many SIP Channels you are receiving.As for the Adtran 908e those are pretty intuitive to work on, but there is nothing specific on this site for working on Adtran devices. If you are wanting help from a forum that has people who really know it well then go here.Adtran Total Access 900/900e SeriesThanks,TE