V1: Fundamentals of Telecom 1 – Introduction and Preview 01-23-2014尚卿 Teracom DVD Video Course V1 Fundamentals of Telecom 1 The PSTN • Telephony • The Telecom Industry • Telecom Equipment Length 142 minutes. 55-page student manual. ISBN 1-894887-26-3 Teracom... 看更多...