CENTRAL OFFICE EXCHANGE SERVICE
\sˈɛntɹə͡l ˈɒfɪs ɛkst͡ʃˈe͡ɪnd͡ʒ sˈɜːvɪs], \sˈɛntɹəl ˈɒfɪs ɛkstʃˈeɪndʒ sˈɜːvɪs], \s_ˈɛ_n_t_ɹ_əl ˈɒ_f_ɪ_s ɛ_k_s_tʃ_ˈeɪ_n_dʒ s_ˈɜː_v_ɪ_s]\
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(Centrex) A PBX service providingswitching at the central office instead of at the companypremises. Typically, the telephone company owns and managesall the communications equipment necessary to implement thePBX and then sells various services to the company.
By Denis Howe
Word of the day
Health Personnel Attitudes
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