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Scalable voip mobility intedration and deployment- P38: The term voice mobility can mean a number of different things to different people. Two words that can be quite trendy by themselves, but stuck together as if forgotten at a bus station long past the last ride of the night, the phrase rings a number of different, and at times discordant, bells. | 372 Index codec engine 8 codec impairment 63-64 Code-Excited Linear Prediction CELP 49-50 coder-decoder. See codec s codes in RADIUS 326 326t collision detection in Ethernet 78-79 collision domain 79-80 collisions carrier sense avoiding 145 in wireless transmissions 113-114 collocated channel load balancing 224 225f color s measuring 351 reducing the number of 352-353 representation of 352-353 color fidelity sacrifice in 353-354 communicator badges 345 complementary code keying CCK 156 complex numbers 150-151 194-195 compression artifacts 358f logarithmic voice 47 lossy 46-49 352 motion 358-360 perceptual 49 quantization 354 still image 352-357 of video 352-360 compressor in video compression 360 cones in the eye 351 conference calling as a PBX feature 10-11 talker echo in 63 conference server 14 confidentiality by a secure network 324 by a secure wireless network 169-170 congestion 98-99 congestion collapse 146-148 congestion control 87-88 congestion window 89-90 congestion-marked packets 99 CONNECT message in Q.931 41 connection loss of 239-240 user involved in 108-109 WiMAX derived around concept of 303 connection ID CID 304 consecutive errors 268-269 constellation 16-QAM 159 160f 64-QAM 159 160f expanding in 802.11ag 158-159 quadrature phase shift keying 155 156f for a representation 152-153 consumer-level gateways 105 consumers demands pushing Wi-Fi industry 104 Contact field in the SIP REGISTER message 17 containment 125 contention window CW 146 contention-based scheme in GPRS 299-300 Content-Length in SIP 17 Content-Type field in a SIP invite 21 continuous stream for voice 203-204 Contributing Sources CSRCs 51 control frames 110 112t 114-115 controller wireless 121 controller-based access points 121 controller-based architecture 121 controller-based wireline 121- 122 controllerless access points 122 controllerless wireline 122 controllers mapping in 802.11r 258 260f convergence 2 75 307. See also FMC fixed-mobile convergence convolution operator 196-197 .
