{"id":4370,"date":"2015-09-19T18:06:04","date_gmt":"2015-09-19T09:06:04","guid":{"rendered":"https:\/\/je1sgh.mydns.jp\/je1sghblog\/?p=4370"},"modified":"2015-09-19T18:06:04","modified_gmt":"2015-09-19T09:06:04","slug":"%e3%81%9d%e3%82%8d%e3%81%9d%e3%82%8d%e5%85%89%e9%9b%bb%e8%a9%b1%e3%81%ab%e3%81%99%e3%82%8b%e3%81%8b%e3%81%aa","status":"publish","type":"post","link":"https:\/\/je1sgh.mydns.jp\/je1sghblog\/?p=4370","title":{"rendered":"\u305d\u308d\u305d\u308d\u5149\u96fb\u8a71\u306b\u3059\u308b\u304b\u306a"},"content":{"rendered":"

わが家の「電話」1<\/a><\/sup>レガシーな電話^^; <\/span>は，1997年にISDNにして，もうかれこれ18年もそのままです．<\/p>\n

最初の頃はもちろんインターネット接続のためのダイヤルアップに使っていました．しかし，2000年頃には光ファイバーを引いたので，ISDNの利用目的は変わりました．その後の15年間の利用目的は，<\/p>\n

    \n
  1. 迷惑電話撃退（ISDN-TAの機能による）<\/li>\n
  2. FAX（２番号にして，FAX専用の番号にしました）<\/li>\n<\/ol>\n

    の二つが主なものでした2<\/a><\/sup>それと，もうひとつは，電話線にワイヤーつないでも，盗聴できないというのが大きな安心でした．<\/span>．<\/p>\n

    2005年に光回線を100Mbpsにしたころから，光電話のことは考えていましたが，二つ課題がありまして，ひとつは，FAXが専用番号で使えなくなる，ということ，ISDN-TAの便利な迷惑撃退機能に変わる手立てがない，ということです3<\/a><\/sup>もう一つ，テクニカルな問題もありましたが，省略．<\/span>．<\/p>\n

    FAXについては，ここ数年，ほとんど着信はなくなりました．まあ，そりゃそうですよね^^; 発信する分には専用番号は要りませんが，その発信も年に数回となりました．<\/p>\n

    迷惑撃退については，ISDN-TAに128個の電話番号が登録できて，それぞれ，着信の諾否を設定できます．<\/p>\n

    これに変わるサービスや機器ってなかなかないんですよね．光電話で提供するサービスでは登録できる着信拒否の番号はせいぜい30個です．<\/p>\n

    ようやく最近シャープが300個の着信拒否の番号を登録できる電話機を発売<\/a>しました．同じ機能でFAXと電話機があるのですが，まあ，FAXはしないだろうということで，電話機のほうにします（安いし場所もとらないし）．<\/p>\n

    その愛用していたISDN-TAが調子悪くなってきた4<\/a><\/sup>いまのところ，電源リセットで復活してますが．<\/span>ので，まあ，替え時かなと考えています．<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u308f\u304c\u5bb6\u306e\u300c\u96fb\u8a71\u300d\u306f\uff0c1997\u5e74\u306bISDN\u306b\u3057\u3066\uff0c\u3082\u3046\u304b\u308c\u3053\u308c18\u5e74\u3082\u305d\u306e\u307e\u307e\u3067\u3059\uff0e \u6700\u521d\u306e\u9803\u306f\u3082\u3061\u308d\u3093\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306e\u305f\u3081\u306e\u30c0\u30a4\u30e4\u30eb\u30a2\u30c3\u30d7\u306b\u4f7f\u3063\u3066\u3044\u307e\u3057\u305f\uff0e\u3057\u304b\u3057\uff0c2000\u5e74\u9803\u306b\u306f\u5149\u30d5\u30a1\u30a4\u30d0\u30fc\u3092\u5f15\u3044\u305f\u306e\u3067\uff0cISDN\u306e\u5229\u7528\u76ee\u7684\u306f\u5909\u308f\u308a\u307e\u3057\u305f\uff0e\u305d\u306e\u5f8c\u306e15\u5e74\u9593\u306e\u5229\u7528\u76ee\u7684\u306f\uff0c \u8ff7\u60d1\u96fb\u8a71\u6483\u9000\uff08ISDN-TA\u306e\u6a5f\u80fd\u306b\u3088\u308b\uff09 FAX\uff08\uff12\u756a\u53f7\u306b\u3057\u3066\uff0cFAX\u5c02\u7528\u306e\u756a\u53f7\u306b\u3057\u307e\u3057\u305f\uff09 \u306e\u4e8c\u3064\u304c\u4e3b\u306a\u3082\u306e\u3067\u3057\u305f\uff0e 2005\u5e74\u306b\u5149\u56de\u7dda\u3092100Mbps\u306b\u3057\u305f\u3053\u308d\u304b\u3089\uff0c\u5149\u96fb\u8a71\u306e\u3053\u3068\u306f\u8003\u3048\u3066\u3044\u307e\u3057\u305f\u304c\uff0c\u4e8c\u3064\u8ab2\u984c\u304c\u3042\u308a\u307e\u3057\u3066\uff0c\u3072\u3068\u3064\u306f\uff0cFAX\u304c\u5c02\u7528\u756a\u53f7\u3067\u4f7f\u3048\u306a\u304f\u306a\u308b\uff0c\u3068\u3044\u3046\u3053\u3068\uff0cISDN-TA\u306e\u4fbf\u5229\u306a\u8ff7\u60d1\u6483\u9000\u6a5f\u80fd\u306b\u5909\u308f\u308b\u624b\u7acb\u3066\u304c\u306a\u3044\uff0c\u3068\u3044\u3046\u3053\u3068\u3067\u3059\uff0e FAX\u306b\u3064\u3044\u3066\u306f\uff0c\u3053\u3053\u6570\u5e74\uff0c\u307b\u3068\u3093\u3069\u7740\u4fe1\u306f\u306a\u304f\u306a\u308a\u307e\u3057\u305f\uff0e\u307e\u3042\uff0c\u305d\u308a\u3083\u305d\u3046\u3067\u3059\u3088\u306d^^; 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