IP vpn using MPLS This topic has 0 replies, 1 voice, and was last updated 21 years, 11 months ago by Jay. Viewing 1 post (of 1 total) Author Posts 8th November 2002 at 06:28 #22383 JayGuest hi.. i have a question.. we are using VPN for our VOIP network. how is the vpn using MPLS different? is it better in quality? some advices please Author Posts Viewing 1 post (of 1 total) The forum ‘Voice over IP’ is closed to new topics and replies.