ネットワーク接続後にフリーズまたは起動しない電話の解決策

はじめに

概要

正常に動作していた電話機が突然操作不能になる場合があります。キー操作が無効、受話器が使用不可、システム全体が完全にフリーズし、再起動しても改善しません。ネットワークケーブルを抜くと正常に戻り、再度接続すると再びフリーズします。

対応機種

本現象は全機種の電話機で発生する可能性があります。

考えられる原因

ネットワーク内にブロードキャストストーム、ネットワークループなどの異常トラフィックが発生しています。短時間に大量のパケット(毎秒5万件以上)を受信すると、CPU処理が輻輳し、操作を処理できずシステムが停止します。ネットワーク環境が正常化するかケーブルを抜くと、機器は自動的に回復します。

解決方法

1. ネットワークを切断して電話機を再起動し、本体の正常動作を確認します。

2. ネットワーク環境を点検し、ループ・ブロードキャストストームなどの異常を修正し、安定したネットワーク環境を確保します。

3. ネットワークケーブルを再接続し、電話機が正常に動作することを確認します。

カタログ
顧客サービス 電話
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