Yealink SIP-T2 SERIES Administrator's Manual page 20

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
Server Redundancy ..................................................................................................................... 655
Server Domain Name Resolution ........................................................................................ 669
Static DNS Cache ........................................................................................................................ 673
VLAN ............................................................................................................................................. 681
LLDP ....................................................................................................................................... 682
CDP ........................................................................................................................................ 685
Manual Configuration for VLAN in the Wired Network..................................................... 688
DHCP VLAN ........................................................................................................................... 692
Configuring VLAN Feature in the Wireless Network.......................................................... 695
VPN ................................................................................................................................................ 697
Voice Quality Monitoring ............................................................................................................ 700
RTCP-XR .................................................................................................................................. 701
VQ-RTCPXR ............................................................................................................................ 703
Quality of Service ........................................................................................................................ 721
Configuring the IP phone for Use with a Firewall or NAT ......................................................... 727
Reserved Ports ...................................................................................................................... 727
Network Address Translation .............................................................................................. 730
Real-Time Transport Protocol ....................................................................................................... 746
TR-069 Device Management ...................................................................................................... 748
IPv6 Support ................................................................................................................................. 754
Configuring Audio Features ..................................................765
Ring Tones .................................................................................................................................... 765
Distinctive Ring Tones .................................................................................................................. 771
Tones ............................................................................................................................................. 778
Voice Mail Tone ............................................................................................................................ 786
Headset Prior ............................................................................................................................... 787
Dual Headset ............................................................................................................................... 789
Sending Volume ........................................................................................................................... 791
Audio Codecs .............................................................................................................................. 794
Acoustic Clarity Technology ........................................................................................................ 809
Acoustic Echo Cancellation ................................................................................................. 809
Background Noise Suppression .......................................................................................... 810
Automatic Gain Control ....................................................................................................... 810
Voice Activity Detection ....................................................................................................... 811
Comfort Noise Generation .................................................................................................. 812
Jitter Buffer ............................................................................................................................ 814
Configuring Video Features ..................................................819
Video Settings .............................................................................................................................. 819
Video Codecs............................................................................................................................... 828
Configuring Security Features ...............................................833
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