改拨
Change the dial
以上为机器翻译结果，长、整句建议使用 人工翻译 。
你好，分机忙线中，请改拨其他分机号。
Hello, the extension is busy, please dial another extension number.
youdao
The extension you've just dial is engaged, please dial other extension number.
你好，分机无人接听，请改拨其他分机号。
The extension you've just dial is no response. Please dial other extension number.
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