NAT crypto and VoIP This topic has 1 reply, 1 voice, and was last updated 23 years, 11 months ago by Jose Quintero. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 13th November 2000 at 19:20 #19833 Shahid UsmanGuest Hello everybody, Does anybody know about the effects of NAT crypto on Voice quality. I mean to say, that in an environment where there is NAT encryption being used and the same node is a voice node too, will it necessarily impose any overhead on Voice packets?? Take care Shahid 19th December 2000 at 19:19 #19834 Jose QuinteroGuest The VoIP is not weel supported in eevices that are using NAT, because NAT use some port (Port Multiplexing) that can affect the VoIP Packets Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Voice over IP’ is closed to new topics and replies.