ISDN: A practical guide to getting up and running
Flanagan, William A
ISDN: A practical guide to getting up and running - 2nd ed. - New York: CMP Books, 2000 - xix, 204p.
1578200482
Integrated services digital networks
D 681.324 / P0
ISDN: A practical guide to getting up and running - 2nd ed. - New York: CMP Books, 2000 - xix, 204p.
1578200482
Integrated services digital networks
D 681.324 / P0