DX series This topic has 1 reply, 1 voice, and was last updated 19 years, 8 months ago by Teodor Georgiev. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 7th March 2005 at 08:05 #29072 LinmanGuest Hi All, Can Quintum Dx series support both SIP and H323 at same time. Linman. 10th March 2005 at 07:55 #29073 Teodor GeorgievGuest No. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Voice over IP’ is closed to new topics and replies.