 A new edition (Issue 4) was published in 2000 as "Telcordia Notes on the Networks", which is the most recent version, as of 2017.Between 1999 and 2002, Telcordia also published a series of twenty-one topic-specific modules individually available, or for sale as a set, known as the "Telcordia Notes On..." Technology Series, which have also not been updated since.In 1983, shortly before the 1984 divestiture of AT&T, Telecom-Canada published "Digital Network Notes", an update and companion volume to the 1980 AT&T "Notes on the Network", with more specific information for the Canadian territory.