I am looking at Netgear CMD31T, just because of its colour. I have cable Internet. I have a wireless modem-router from my service provider (Kabel Deutschland). It has output for a telephone line, and maybe I would like to use my included phone line one day or at least keep that option. But I do not want a wireless router, that I am leaving my Time Capsule take over. Should I check with my service provider before changing router? Thanks for your help!