PAP2T及SPA2102都是兩條分別獨立的線,隻有兩條線都有DID,其才能從一條線Forward到另一條線。
首選應該是Cisco SPA3102。
PAP2T及SPA2102都是兩條分別獨立的線,隻有兩條線都有DID,其才能從一條線Forward到另一條線。
首選應該是Cisco SPA3102。
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