Special Services Telephony An Introduction To Transmission and Signaling 1982
Special Services Telephony An Introduction To Transmission and Signaling 1982
Special Services Telephony An Introduction To Transmission and Signaling 1982
Special Services Telephony An Introduction To Transmission and Signaling 1982
Special Services Telephony An Introduction To Transmission and Signaling 1982
Special Services Telephony An Introduction To Transmission and Signaling 1982
Special Services Telephony An Introduction To Transmission and Signaling 1982
Special Services Telephony An Introduction To Transmission and Signaling 1982

Special Services Telephony An Introduction To Transmission and Signaling 1982

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Book is in preowned condition, shows light to moderate shelf wear. Cover has some small tears and light staining - see pictures for details.