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Internet Standards
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CD2.mdf
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ccitt
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1992
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q
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q412_3.tif
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1991-12-11
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18KB
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2176x1275
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OCR:
Seized Release Idle Circuit Idle Answered Qutgoing end Seizing Clear forward Forward Backward Forward Backward Answer frcoming end Release guard saoueice Sending Receiving CCITT-49182 Legend see Figure 5/Q.412 FIGURE 3/0 .412 Release in answered state Answerad Outaoing incoming sequerice