In the frame-relay WAN environment,common telephone is connected with FXS interface of Cisco router,and Cisco IP telephone is connected with Cisco3550 switch. Fur-thermore,Voice over IP is realized by arrangement of Cisco call-manager.
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- 在幀中繼廣域網(wǎng)環(huán)境下,以Cisco路由器的FXS接口連接普通模擬電話(huà)機,以Cisco3550交換機連接Cisco IP電話(huà),并通過(guò)Cisco Call-Manager的部署實(shí)現Voice over IP。
