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bearer capability (BC)

When establishing a connection in the D-channel of the ISDN, an ISDN terminal first requests a certain transport service from the network.

Such a bearer service can be audio transmission at 3.1 kHz, voice-only transmission or the unrestricted bearer service at 64 kbit/s. Data transmissions over the 64 kbit/s service may not be compressed, but voice transmissions may be compressed to 12 kbit/s, allowing multiple use of a 64 kbit/s line within the network.

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Englisch: bearer capability - BC
Updated at: 14.06.2009
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