Specifications

Reference Guide C-3
BECN
Backward Explicit Congestion Notification
BER
Bit Error Rate, the number of errored bits divided by the total number of bits.
BERT
Bit Error Rate Tester
bit
Contraction of the words "binary" and "digit."
bps
Bits per second
BRI
Basic Rate Interface, (2B+D) in ISDN
CAS
Channel-Associated Signaling, a means of conveying voice-circuit signaling over an E1 line.
CAS–CC
Channel Associated Signaling–Common Channel
CAS–BR
Channel Associated Signaling–Bit-robbing mode, used to convey voice-circuit signaling over
a T1 line.
CBR
Constant Bit Rate
CCITT
Consultative Committee for International Telegraph and Telephone, now known as the ITU
(International Telecommunications Union).
CCR
Current Cell Rate