CRTC endorses IP for voice network interconnections

OTTAWA – A new CRTC policy announced Thursday encourages the country’s incumbent telephone companies to adopt Internet Protocol (IP) throughout their networks, putting them on a similar footing with their wireless colleagues. Large telephone companies have traditionally relied on voice circuit-switched technology (known as TDM) to transfer telephone calls to and from other service providers. Although they are gradually migrating their networks to IP, these companies continue to rely on the older technology. By comparison, cable companies and wireless providers that began offering telephone services in the last few years have built IP-based networks, and are currently responsible for converting...