[An Internet line that ended halfway?] What is ISDN? It allowed simultaneous calls and internet a...
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YouTubeゆっくりITちゃんねる
[An Internet line that ended halfway?] What is ISDN? It allowed simultaneous calls and internet a...
今回は「ISDN」を解説します。 かつて「次世代通信」として期待されたISDNという通信サービスですが、 電話・FAX・インターネットを1本の回線で同時に使えるという、 通信速度は、64/128kbpsまで速度向上し、従来のアナログ回線よりも非常に便利な通信 ...
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