Page 537 - From GMS to LTE

Index 523

VGCS see Voice Group Call Service WEP see Wired Equivalent Privacy
Virtual circuit switching 3 Wideband Code Division Multiple Access
Visitor Location Register (VLR) 16 (WCDMA) 113
VLR see Visitor Location Register Wi‐Fi Multimedia (WMM) 444
Voice activity detection (VAD) algorithm 50 Wi‐Fi‐Protected Setup (WPS) 442
Voice Broadcast Service (VBS) 25 Wired Equivalent Privacy (WEP) 403
Voice encoding 60 Wireless bridging 399
Voice Group Call Service (VGCS) 25 Wireless Protected Access (WPA)
Voice over LTE (VoLTE) 335 authentication 434–41
Voice over Wifi 369 WLAN hotspots 339
VoLTE see Voice over LTE WMM see Wi‐Fi Multimedia
VoLTE Emergency Call 364 WPA authentication see Wireless Protected
VoLTE Roaming 365 Access authentication
VoLTE Roaming Local Breakout 366 WPS see Wi‐Fi‐Protected Setup
VoLTE S8‐Home Routing 367 WTP see Wireless Transaction Protocol
VoWifi see Voice over Wifi
x
w XCAP 357
WCDMA see Wideband Code Division X2 handover 261
Multiple Access X2 interface 217