Hello.I have about 100 phones in my network. May I update phone book from one server any possible way? Say me one. I can't edit every phone every time then change happed.

Hello.I have a cisco 881W. My ISP give me two subnet and gateway for them (Fa4 IP address in my configuration). There are three subnet in my company- two subnets within real IP addresses (a.a.a.x and b.b.b.x in my configuration below)- one subnet eit...