quintum gateway vs excel switch This topic has 0 replies, 1 voice, and was last updated 20 years, 11 months ago by nancy. Viewing 1 post (of 1 total) Author Posts 21st April 2003 at 03:50 #35431 nancyGuest Can somebody tell me how the Excel switch work? I know how voip gateway works but not Excel switch. Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.