Tenor and SIP This topic has 0 replies, 1 voice, and was last updated 20 years, 7 months ago by linman. Viewing 1 post (of 1 total) Author Posts 19th May 2004 at 14:33 #27174 linmanGuest Can anyone confirm whether A800 supports SIP. What are the SIP compatible products in Quintum. Author Posts Viewing 1 post (of 1 total) The forum ‘Voice over IP’ is closed to new topics and replies.