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An Internet Protocol (IP) phone, also known as a VoIP phone (Voice over IP) uses technologies for placing and transmitting telephone calls over an IP network, such as the Internet, instead of the traditional public switched telephone network (PSTN).

Poly Edge E450 IP 話機且具備 PoE 功能, IP電話, 黑色, 有線話機, 8 行數/線, IPS, 8.89 cm (3.5")

Poly Edge E450 IP 話機且具備 PoE 功能. 產品類型: IP電話, 產品色彩: 黑色, 手持裝置類型: 有線話機. 列印行列數: 8 行數/線. 顯示器: IPS, 顯示器尺寸(對角長): 8.89 cm (3.5"), 顯示器解析度: 320 x 240 像素. 語音編解碼器: G.711alaw, G.711ulaw, G.722, G.722.1, G.729ab, OPUS, iLBC. 乙太網路 LAN 介面類型: Gigabit 乙太網路, 乙太網路數據傳輸速率: 10,100,1000 Mbit/秒, 無線局域網類型: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n)

Poly Edge E450 IP 話機且具備 PoE 功能