			ISDN & SS7 : architectures for digital signaling networks / Uyless BlackPublication: Upper Saddle River : Prentice Hall, 1997Description: XXI, 345 p. : il. ; 24 cmAvailability: Items available for loan: [BLA. 004.7] (2). Items available for reference: [BLA. 004.7] (1). Place hold Add to cart (remove)
			ISDN : concepts, facilities, and services / Gary C. KesslerPublication: New York : McGraw-Hill, 1995Description: XVIII, 454 p. : il. ; 23 cmAvailability: Items available for loan: [KES. 004.7] (1). Place hold Add to cart (remove)

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