Yealink Skype for Business HD IP Phones Administrator Guide
VLAN .............................................................................................................................................. 231
LLDP ........................................................................................................................................ 232
CDP ......................................................................................................................................... 236
DHCP VLAN ............................................................................................................................ 243
Quality of Service ........................................................................................................................... 246
Quality of Experience ..................................................................................................................... 249
IPv6 Support .................................................................................................................................. 253
Phone Ring Tones .......................................................................................................................... 263
Private Line Ring Tone .................................................................................................................... 267
Tones ............................................................................................................................................. 269
Voice Mail Tone ............................................................................................................................. 276
Headset Prior ................................................................................................................................. 277
Dual Headset .................................................................................................................................. 279
Sending Volume ............................................................................................................................. 281
Audio Codecs ................................................................................................................................. 282
Acoustic Clarity Technology ........................................................................................................... 290
Acoustic Echo Cancellation ..................................................................................................... 290
Automatic Gain Control .......................................................................................................... 291
Voice Activity Detection .......................................................................................................... 291
Comfort Noise Generation ...................................................................................................... 293
Jitter Buffer ............................................................................................................................. 294
User Password ................................................................................................................................ 301
Administrator Password ................................................................................................................. 302
Auto-Logout Time .......................................................................................................................... 304
Phone Lock .................................................................................................................................... 305
Account Lock.................................................................................................................................. 308
Transport Layer Security ................................................................................................................. 310
802.1X Authentication .................................................................................................................... 324
Troubleshooting .....................................................................335
Troubleshooting Methods .............................................................................................................. 335
Memory Information ............................................................................................................... 335
Skype for Business Status ........................................................................................................ 336
Viewing Log Files .................................................................................................................... 339
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