May 18, 2016 #1 mindamartine Technical User Joined Mar 25, 2006 Messages 96 Location US Please help. How do I change CDN TON from national to unknown? This is for outgoing call type.
May 18, 2016 #2 SL1guy Technical User Joined Nov 22, 2008 Messages 3 Location US CDN is Control Directory Number. Calls terminate to CDN's. Upvote 0 Downvote