SpectraLink 8440 - Page 8

Spectralink 84-Series Series Wireless Telephones Administration Guide
1725-86984-000_P.docx
September 2016 8
DNS Server Unavailability ......................................................................................... 230
Redundancy Parameters ........................................................................................... 230
Supporting 802.1X Authentication ................................................................................ 233
<tcpIpApp/> .................................................................................................................... 235
<dhcp/> ..................................................................................................................... 235
<dns/> ....................................................................................................................... 235
<ice/> ........................................................................................................................ 235
<keepalive/> .............................................................................................................. 236
Tones <tones/> .............................................................................................................. 237
<chord/> .................................................................................................................... 237
Web Configuration Utility .............................................................................................. 238
<httpd/> ..................................................................................................................... 238
Chapter 11: Special Use Cases ........................................... 239
Acoustic Echo Cancellation .......................................................................................... 239
Audio Codecs ................................................................................................................. 239
Band Steering ................................................................................................................ 240
Bridged Line Appearance .............................................................................................. 242
Local Digit Map .............................................................................................................. 243
Understanding Digit Map Rules ................................................................................. 244
Location Values for E.911 Services .............................................................................. 249
Real-Time Transport Protocol Ports ............................................................................. 250
Shared Line Appearances ............................................................................................. 251
Shared Call Appearance Signaling ............................................................................ 252
Static DNS Cache ........................................................................................................... 253
Using Static DNS Cache for Redundancy ................................................................. 258
DNS Cache <dns/> ......................................................................................................... 259
NAPTR <NAPTR/> .................................................................................................... 259
SRV <SRV/> ............................................................................................................. 260
A <A/> ....................................................................................................................... 260
Voice Activity Detection ................................................................................................ 264
Part IV: Troubleshooting and Maintaining your
Deployment ................................................. 265
Chapter 12: Troubleshooting Your Spectralink Handsets .......... 266
Troubleshooting Flow Diagram .................................................................................... 267
Understanding Error Message Types ........................................................................... 268
Updater Error Messages ........................................................................................... 268
Spectralink Software Error Messages ....................................................................... 270
Status Menu ................................................................................................................... 275
Log Files ......................................................................................................................... 276