D3000 signaling type This topic has 0 replies, 1 voice, and was last updated 21 years, 5 months ago by Kris. Viewing 1 post (of 1 total) Author Posts 5th September 2003 at 11:40 #25218 KrisGuest My ISDN PRI service provider offers the signaling type CCS/C7 only, but the quintum D3000 doesn’t support this. How do I solve this problem? Author Posts Viewing 1 post (of 1 total) The forum ‘Voice over IP’ is closed to new topics and replies.