Administrator’s Guide for SIP-T2xP IP Phones
xvi
Receiving RTP Stream .......................................................................................................... 323
Call Recording ............................................................................................................................. 326
Hot Desking .................................................................................................................................. 332
Action URL .................................................................................................................................... 335
Action URI ..................................................................................................................................... 351
Capturing the Current Screen of the Phone ....................................................................... 355
Server Redundancy ..................................................................................................................... 356
SIP Server Domain Name Resolution .................................................................................. 364
Static DNS Cache ........................................................................................................................ 368
LLDP ............................................................................................................................................... 376
VLAN ............................................................................................................................................. 380
VPN ................................................................................................................................................ 388
Voice Quality Monitoring ............................................................................................................ 391
RTCP-XR .................................................................................................................................. 391
VQ-RTCPXR ............................................................................................................................ 392
Quality of Service ........................................................................................................................ 410
Network Address Translation ..................................................................................................... 413
802.1X Authentication ................................................................................................................. 416
TR-069 Device Management ...................................................................................................... 424
IPv6 Support ................................................................................................................................. 430
Configuring Audio Features ..................................................439
Headset Prior ............................................................................................................................... 439
Dual Headset ............................................................................................................................... 440
Audio Codecs .............................................................................................................................. 442
Acoustic Clarity Technology ........................................................................................................ 450
Acoustic Echo Cancellation ................................................................................................. 450
Background Noise Suppression .......................................................................................... 451
Automatic Gain Control ....................................................................................................... 451
Voice Activity Detection ....................................................................................................... 451
Comfort Noise Generation .................................................................................................. 453
Jitter Buffer ............................................................................................................................ 454
Configuring Security Features ...............................................457
Transport Layer Security .............................................................................................................. 457
Secure Real-Time Transport Protocol .......................................................................................... 467
Encrypting Configuration Files ................................................................................................... 470
Resource Files ........................................................................477
Replace Rule Template ............................................................................................................... 478
Dial-now Template ....................................................................................................................... 479
Softkey Layout Template ............................................................................................................. 480
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