Telephone systems.

[NT 60487] Overview

[NT 60478] Works:	3 [NT 60520] works in 3 [NT 60521] publications in 1 [NT 60522] languages

[NT 60480] Titles

An engineering approach to computer networking : ATM networks, theInternet, and the telephone network [NT 59711] by: Keshav, Srinivasan ([NT 1579] Language materials, printed)

Signaling system No. 7(SS7/C7) : protocol, architecture, and services [NT 59711] by: Hewett, Jeff; Dryburgh, Lee ([NT 1579] Language materials, printed)

Windows telephony programming : a developer's guide to TAPI [NT 59711] by: Sells, Chris ([NT 1579] Language materials, printed)