Elie Are you there This topic has 2 replies, 1 voice, and was last updated 21 years, 1 month ago by Carlos. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts 30th September 2002 at 15:41 #22156 AhmedGuest Dear Elie I was wondering what software or hardware you used to get around port 1720 being blocked in lenanon please suggest something. ASAP 2nd October 2002 at 08:54 #22157 Radium WolfGuest You could try using a GRE tunnel or IPSEC VPN unless that’s being blocked also. 22nd October 2002 at 17:12 #22158 CarlosGuest Hi, I am having the same problem. How do I used the GRE Tunnel or the IPSEC VPN ? I have a device that uses 1720. How do I overcome that besided changing the POrt Number. thanks, Carlos Author Posts Viewing 3 posts - 1 through 3 (of 3 total) The forum ‘Voice over IP’ is closed to new topics and replies.