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Business phone (business phone, optel ofitel)
Business phone (business phone, optel ofitel)
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机译:商务电话(商务电话,optel ofitel)
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摘要
The present invention is designed to integrate general business functions into a telephone so as to increase the efficiency and productivity of a small area by focusing on the fact that existing telephone sets are equally used for household use without discrimination for home use. , And the effectiveness is maximized.
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