Yealink SIP-T4X Administrator's Manual page 475

Softkey Layout 55
Specifying the Language to Use
SRTP 215
STUN Server 183
Suppressing DTMF Display
T
Table of Contents xi
Time and Date 47
Transfer on Conference Hang Up
Transfer via DTMF 123
Transport Layer Security (TLS)
Troubleshooting 237
Troubleshooting Methods
Troubleshooting Solutions
TR-069 Device Management
U
Upgrading Firmware
Use Outbound Proxy in Dialog
User Agent Client (UAC)
User Agent Server (UAS)
User Password 42
V
Verifying Startup 14
Viewing Log Files 237
VLAN 174
Voice Activity Detection
VoIP Principle 1
VPN 178
W
Wallpaper 36
Web Server Type 115
Web User Interface
54
122
104
209
237
242
190
221
90
2
3
204
14
Index
459