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Telecom Glossary F1


FCC - Federal Communications Commission
Regulates interstate communications: licenses, rates, tariffs, standards, limitations, etc. Appointed by U.S. President .

Frequency Modulation (FM)
A signaling method that varies the carrier frequency in proportion to the amplitude of the modulating signal.

Full Duplex
Refers to a communications system that uses two separate transmit and receive paths to allow simultaneous conversation in two directions. FVC (forward voice channel): A voice channel used in the base station-to-subscriber direction, also known as the voice channel downlink.

Fully Dedicated Access
Long distance carrier access method in which a non-local call is carried by the long distance carrier via a dedicated trunk facility for both the first and last part of the call's journey, and on the same long distance carrier's network for the entire length of the call. Also referred to as "dedicated-to-dedicated" or "on-net to on-net."


Long Distance Glossary (A-1) (A-2) (A-3) (B-1) (B-2) (B-3) (B-C) (C-1) (C-2) (C-3) (C-4) (C-5) (C-6) (C-7) (C-8) (D-1) (D-2) (D-3) (D-E) (E-F) (F-1) (G-1) (H-I) (I-1) (I-2) (I-3) (I-4) (J-L) (L-1) (L-2) (L-3) (L-M) (M-N) (N-1) (N-O) (O-1) (O-P) (P-1) (P-2) (P-3) (P-4) (P-5) (P-R) (R-1) (R-2) (R-3) (S-1) (S-2) (S-3) (S-4) (S-T) (T-1) (T-2) (T-3) (T-4) (T-5) (T-6) (T-U) (V-1) (V-2) (V-Z)

[0000 - 999Z] [999Z - ALEZ] [ALEZ - ATLZ] [ATLZ - BESZ] [BESZ - CALZ]
[CALZ - CELZ] [CELZ - CHEZ] [CHEZ - COMZ] [COMZ - CREZ] [CREZ - DIRZ]
[DIRZ - DRAZ] [DRAZ - FINZ] [FINZ - FRDZ] [FRDZ - FREZ] [FREZ - HEAZ]
[HEAZ - INSZ] [INSZ - LAPZ] [LAPZ - LONZ] [LONZ - MITZ] [MITZ - NETZ]
[NETZ - OPTZ] [OPTZ - PHOZ] [PHOZ - PROZ] [PROZ - SANZ] [SANZ - SMAZ]
[SMAZ - TAMZ] [TAMZ - TONZ] [TONZ - WATZ] [WATZ - WINZ] [WINZ - ZZZZ]
[XXXX - XXXX] [XXXX - XXXX] [XXXX - XXXX] [XXXX - XXXX] [XXXX - XXXX]
[XXXX - XXXX] [XXXX - XXXX] [XXXX - XXXX] [XXXX - XXXX] [XXXX - XXXX]

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