Did you know that Telephone Networks now provide a total solution for all your office and home working requirements. We now offer best deals on electricity and credit card machines .Please send us your bills today and we will complete a free analysis and revert with best savings. We continue to support Siemens, Advantage 400 & 1200, Broadlink & Netlink Telephone systems. We also supply replacement phones and handsets. Tno are also selling agents for Blueface Voip. Virgin Media business broadand.