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link 1.10.2007 10:22 |
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Subject: telephone company switch telephone company switch - коммутатор телефонной компании или телефонный коммутатор компании?The term upstream refers to network devices that are closer to the telephone service provider. The term downstream refers to network devices that are closer to some video communications unit. For example, the PRI network interface module might be downstream from your PBX, which, in turn, is downstream from a telephone company switch. Your PBX is upstream from the PRI network interface module. заранее спасибо |
| *коммутатор телефонной компании* |
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