AT&T Networks ISDN Primary Rate Interface Specification Technical Reference 41449, Aug. 1991. |
AT&T Networks ISDN Primary Rate Interface and Special Applications Specification, Technical Reference 41459, Oct. 1991. |
AT&T Technical Journal, vol. 66, Issue 3, May-Jun. 1987, articles: "ISDN Architecture," R. T. Roca, pp. 5-17; ISDN Standards Evolution, Hair Aldermeshlan, pp. 19-25; AT&T Communications ISDN Architecture, M. L. Higdon, et al., pp. 27-33. |
AT&T Technical Journal, vol. 65, Issue 1, Jan.-Feb. 1986, Article entitled "AT&T Network Architecture Evolution," J. L. Commings, et al., pp. 2-11. |