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G.711 codec, 162, 181-182, 186, 187-188, 188
G.723 compression, 162
G.723.1 ACELP codec in, 182
G.728 compression, 162
G.729 codec, 162, 182-184
gain
antennas, 217, 218, 244
processing gain in, 17
gateways
delay in, 124-125, 1256
quality of service (QoS) and, improving, 123-126
softswitches and, 170-171
Gaussian frequency shift keying (GFSK), 19
generic routing encapsulation (GRE), 98
GIPS NetEQ, GIPS enhanced speech processing in, 186, 187-188, 188
glass, as source of attenuation, 221
Global IP Sound, 186
global positioning system (GPS), 16, 191, 225
global system for mobile communication (GSM), 93, 301
Gold codes, 22
grade of service (GoS), 131
grounding antennas, 246
guaranteed levels, 128
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