Back 
  
Telecom Science  Telecom Projects  Telecom discussion forum  Telecom Carriers
Telecom Essays  Telecom research groups  Telecom Newsletter  Telecom Technology
Telecommunications Universities Telecommunications Job Offer

B-ISDN 
bistable 
bistable multivibrator 
bistable trigger circuit 
bi-sync 
bit 
bit-by-bit asynchronous operation 
bit configuration 
bit-count integrity (BCI) 
bit density 
biternary transmission 
bit error rate 
bit error ratio (BER) 
bit error ratio tester (BERT) 
bit interval 
bit inversion 
bit pairing 
bit position 
bit rate (BR) 
bit-rate�distance product 
bit robbing 
bit-sequence independence 
bit slip 
bits per inch (b/in) 
bits per second (b/s) 
bit-stepped 
bit-stream transmission 
bit string 
bit stuffing 
bit stuffing rate 
bit synchronization 
bit synchronous operation 
BIU 
BLACK 
blackbody 
black facsimile transmission 
black noise 
black recording 
black signal 
BLACK signal 
blanketing 
blanketing area 
blanking 
blind transmission 
blinking 
block 
block character 
block check 
block check character (BCC) 
block code 
block diagram 
block distortion 
block efficiency 
block-error probability 
block-error ratio 
blocking 
blocking criterion 
blocking factor 
blocking formula 
blocking network 
block length 
block-loss probability 
block-misdelivery probability 
block parity 
block transfer 
block transfer attempt 
block transfer efficiency 
block transfer failure 
block transfer rate 
block transfer time 
blue noise 
blue-screening 
blurring 
BOC 
Boltzmann's constant (k) 
bond 
bonding 
Boolean function 
Boolean operation 
bootstrap 
boresight 
Bose-Chaudhuri-Hochquenghem code 
bound mode 
bound ray 
bpi 
braid 
branch 
branching network 
branching repeater 
breadboard 
break out 
break-out box 
breakout cable 
breakout kit 
Brewster's angle 
Brewster's law 
BRI 
brick 
bridge 
bridged ringing 
bridge lifter 
bridge-to-bridge station 
bridge transformer 
bridging connection 
bridging loss 
brightness 
Brillouin diagram 
Brillouin scattering 
broadband 
broadband exchange (BEX) 
broadband ISDN (B-ISDN) 
broadband system 
broadcasting-satellite service 
broadcasting satellite space station 
broadcasting service 
broadcasting station 
broadcast operation 
broadside antenna 
brouter 
browser 
browsing 
b/s 
BSA 
BSE 
BSI 
B6ZS 
B3ZS 
budgeting 
buffer 
buffer amplifier 
bug 
building out 
bulk encryption 
bulletin board 
bunched frame-alignment signal 
bundle 
buried cable 
burst 
burst isochronous 
burst switching 
burst transmission 
bus 
bus interface unit (BIU) 
bus network 
bus topology 
busy back 
busy hour 
busy season 
busy signal 
busy test 
busy tone 
busy verification 
BW 
bypass 
byte (B) 
cable 
cable assembly 
cable jacket 
cable cutoff wavelength ( cc ) 
cable television relay service (CARS) station 
cable TV (CATV) 
cache memory 
call 
call abandoned 
call accepted signal 
call associated signaling (CAS) 
call attempt 
call back 
call collision 
call completion rate 
call control character 
call control signal 
call delay 
call detail recording (CDR) 
call duration 
called-line identification facility 
called-line identification signal 
called party 
called-party camp-on 
caller ID 
caller identification 
call-failure signal 
call forwarding 
call hold 
call identifier 
calling frequency 
calling-line identification facility 
calling-line identification signal 
calling party 
calling-party camp-on 
calling rate 
calling sequence 
calling signal 
call intensity 
call management 
call-not-accepted signal 
call originator 
call pickup 
call processing 
call progress signal 
call progress tone 
call receiver 
call record 
call release time 
call-request time 
call restriction 
calls-barred facility 
call-second 
call-selection time 
call set-up time 
call sign 
call-sign allocation plan 
call spill-over 
call splitting 
call tracing 
call transfer 
call waiting 
CAMA 
camp-on 
camp-on busy signal 
camp-on-with-recall 
CAN 
Canadian Standards Association (CSA) 
cancel character (CAN) 
capacitive coupling 
capacity 
capture effect 
cardinal radial 
carrier 
carrier (cxr) 
carrier dropout 
carrier frequency 
carrier leak 
carrier level 
carrier multiplex 
carrier noise level 
carrier power (of a radio transmitter) 
carrier sense 
carrier sense multiple access (CSMA) 
carrier sense multiple access with collision avoidance (CSMA/CA) 
carrier sense multiple access with collision detection (CSMA/CD) 
carrier shift 
carrier suppression 
carrier synchronization 
carrier system 
carrier-to-noise ratio (CNR) 
carrier-to-receiver noise density ( C /k T ) 
carrier wave 
CARS 
Carson bandwidth rule 
CAS 
CASE 
case shift 
CASE technology 

clock phase slew 
clock rate 
clock tolerance 
clock track 
clockwise polarized wave 
closed captioning 
closed circuit 
closed-loop noise bandwidth 
closed-loop transfer function

clipper chip 
clipping 
clock 
clock error 

Cassegrain antenna 
catastrophic degradation 
Category 3 
Category 4 
Category 5 
CATV 
cavity 
C-band 
CCH 
CCIR 
CCIS 
CCITT 
CCS 
CCSA 
CDF 
CDMA 
CDPSK 
CDR 
CD ROM 
C-E 
CEI 
cell 
cell relay 
cellular mobile 
cellular phone 
cellular radio 
cellular telephone 
CELP 
center frequency 
centralized attendant services (CAS) 
centralized automatic message accounting (CAMA) 
centralized operation 
centralized ordering group (COG) 
central office (C.O.) 
central office connecting facility 
central office trunk 
central processing unit 
central processor 
Centrex� (CTX) service 
certification 
certified network engineer 
cesium clock 
cesium standard 
chad 
chadless tape 
chad tape 
channel 
channel-associated signaling 
channel bank 
channel bits 
channel capacity 
channel gate 
channelization 
channel noise level 
channel offset 
channel packing 
channel reliability (ChR) 
channel service unit (CSU) 
channel supergroup 
channel time slot 
character 
character check 
character-count integrity 
character filter 
character generator 
character integrity 
character interval 
characteristic distortion 
characteristic frequency 
characteristic impedance ( Z o ) 
character recognition 
character set 
characters per inch (cpi) 
characters per second (cps) 
character-stepped 
charging reference location 
check 
check bit 
check character 
check digit 
checksum 
chip 
chip rate 
chip time 
chirping 
chroma keying 
chromatic dispersion 
chrominance signal 
cipher 
cipher system 
cipher text 
ciphony 
circuit 
circuit noise level 
circuit reliability ( CiR ) 
circuit restoration 
circuit routing 
circuit-switched data transmission service 
circuit switching 
circuit switching center 
circuit switching unit (CSU) 
circuit transfer mode 
circular polarization 
circulator 
civision 
C /k T 
cladding 
cladding diameter 
cladding eccentricity 
cladding mode 
cladding mode stripper 
cladding noncircularity 
cladding ovality 
cladding ray 
C-language 
CLASS 
class d address 
classmark 
class of emission 
class of office 
class of service 
class-of-service mark 
clear 
clear channel 
clear collision 
clear confirmation signal 
clearing 
clear message 
clear text 
cleave 
client 
client-server 
client-server architecture 
clipper