Voip - A practical guide for the non-telephone engineer
Joe Yeung
- 出版商: Lulu.com
- 出版日期: 2015-05-04
- 售價: $800
- 貴賓價: 9.5 折 $760
- 語言: 英文
- 頁數: 176
- 裝訂: Paperback
- ISBN: 1326260634
- ISBN-13: 9781326260637
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This is a practical guide for business and It managers on implementing a Voice over Ip telephone system
