VoIP compared to PSTN This topic has 0 replies, 1 voice, and was last updated 22 years, 11 months ago by Majd Coussa. Viewing 1 post (of 1 total) Author Posts 26th January 2002 at 14:36 #21099 Majd CoussaGuest What are the advantages and disadvantages of VoIP compared to PSTN?? Thanksx for any help that comes in here guyz… Cheers Author Posts Viewing 1 post (of 1 total) The forum ‘Voice over IP’ is closed to new topics and replies.