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T1 LINE FORMAT FOR ROBBED SIGNALING FOR USE WITH CCITT 32K BIT PER SECOND ADPCM CLEAR CHANNEL TRANSMISSION
T1 LINE FORMAT FOR ROBBED SIGNALING FOR USE WITH CCITT 32K BIT PER SECOND ADPCM CLEAR CHANNEL TRANSMISSION
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机译:T1线格式,用于ROCC信号传输,与CCITT每第二个ADPCM透明信道传输使用32K位
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摘要
T1 LINE FORMAT FOR ROBBED SIGNALING FOR USE WITH CCITT32K BIT PER SECOND ADPCM CLEAR CHANNEL TRANSMISSIONABSTRACT OF THE INVENTIONThis invention provides for uniformly distributingsignaling data in a T1 line format for unrestricted 32 kb/s and 64kb/s transmission channels. This scheme provides for placing aportion signaling information within each frame of a T1transmission. Digital switching systems may process thissignaling information more uniformly, instead of receiving 24channels of signaling information during one T1 frame. Thesignaling information provides the digital switching system withindications of such supervisory functions as on-hook, off-hook andswitching digits.
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