By 2025 there will be only #internet. The landline calls that you make will no longer be made over the older PSTN (public switched telephone network). Instead, you will only be able to place a call over the internet on a digital system called VOIP (voice over internet protocol). So prepare to throw away your old landline phone. Everyone will need a broadband router in to which you will plug your new #VOIP phone. Another way of doing it is to simply have an App on your c