Voice over 802.11
Wi-Fi can further enhance your organization's productivity and savings by increasing portability and eliminating charges for PBX maintenance and for wire-line and cellular phone service. However, concerns about the QoS of Wi-Fi and VoIP prevent many organizations from realizing the full savings...
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| 格式: | 圖書 |
| 語言: | English |
| 出版: |
Artech House
2011
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| 主題: | |
| 在線閱讀: | https://scholar.dlu.edu.vn/thuvienso/handle/DLU123456789/26230 |
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| Thư viện lưu trữ: | Thư viện Trường Đại học Đà Lạt |
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