Table Of Contents - Yealink SIP-T48G Administrator's Manual

E911 Location Tip ......................................................................................................................... 145
Boss/Admin Light ......................................................................................................................... 146
BToE ............................................................................................................................................... 148
Configuring Advanced Features...........................................151
VLAN ............................................................................................................................................. 151
LLDP ....................................................................................................................................... 151
CDP ........................................................................................................................................ 153
Manual Configuration for VLAN .......................................................................................... 155
DHCP VLAN ........................................................................................................................... 160
Voice Quality Monitoring ............................................................................................................ 162
Quality of Service ........................................................................................................................ 163
SNMP ............................................................................................................................................ 166
IPv6 Support ................................................................................................................................. 170
Configuring Audio Features ..................................................179
Ring Tones .................................................................................................................................... 179
Tones ............................................................................................................................................. 183
Headset Prior ............................................................................................................................... 190
Dual Headset ............................................................................................................................... 191
Audio Codecs .............................................................................................................................. 193
Acoustic Clarity Technology ........................................................................................................ 199
Acoustic Echo Cancellation ................................................................................................. 199
Background Noise Suppression .......................................................................................... 200
Automatic Gain Control ....................................................................................................... 200
Voice Activity Detection ....................................................................................................... 200
Comfort Noise Generation .................................................................................................. 202
Jitter Buffer ............................................................................................................................ 204
Configuring Security Features ...............................................207
User Password ............................................................................................................................. 207
Administrator Password .............................................................................................................. 209
Auto-Logout Time ......................................................................................................................... 210
Phone Lock ................................................................................................................................... 212
Account Lock ................................................................................................................................ 213
Transport Layer Security .............................................................................................................. 215
Encrypting Configuration Files ................................................................................................... 224
802.1X Authentication ................................................................................................................. 227
Troubleshooting .....................................................................237
Troubleshooting Methods ........................................................................................................... 237

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