https://pligg.samweber.biz/story.php?title=get-a-fantastic-low-cost-on-phone-service-ptolus-wiki As engineers like to say, "Anything that leaves the drawing board is out of date." IP, VoIP and SIP are entrenched protocols which should stay on the forefront of telecommunications for years to arrive. Wed, 03 Nov 2021 19:33:16 UTC en