I am curious to know if there is an ATA adapter out there that would allow DID information to be passed into a Toshiba system using an RDDU card? I know a Cisco SPA-112 allows VOIP calls to be converted to a "POTS" line where it would then be routed in the system using "DIT" in Trunk Assignments. However the adapter only allows 1 telephone number per line, where I'm curious to see if there's an adapter that just converts SIP to POTS and then passes the DID number into the Toshiba system where it then would route to either an extension, pilot number, voice mail .etc?

Thanks!