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robbed bit signaling |
Also found in: Acronyms, Wikipedia | 0.02 sec. |
robbed bit signalingA signaling method in a T1 circuit that uses bits from each of the 24 DS-0 channels. When channels carry switched voice traffic, each channel bank must be able to alert the other when a call is being placed on that channel. T-carrier systems grab one bit from each sixth voice sample to do this, which works out to 1,333 bps from the 64 Kbps channel. When a channel is seized from one end, the signaling bit is changed from 0 to 1 to alert the far end. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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PRI, SS7, CAS, CCS, proprietary out-of-band, and robbed bit signaling is supported. |
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