block voip call on selected numbers This topic has 0 replies, 1 voice, and was last updated 21 years, 2 months ago by Austin. Viewing 1 post (of 1 total) Author Posts 6th November 2003 at 15:30 #25638 AustinGuest I want to block VOIP calls i.e incomming calls on basis of numbers. It is possible in Quintum A800 ?. Author Posts Viewing 1 post (of 1 total) The forum ‘Voice over IP’ is closed to new topics and replies.