Administrator’s Guide for CP860 IP conference phones
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Voice Activity Detection ....................................................................................................... 299
Comfort Noise Generation .................................................................................................. 301
Jitter Buffer ............................................................................................................................ 302
Configuring Security Features ...............................................305
Transport Layer Security .............................................................................................................. 305
Secure Real-Time Transport Protocol .......................................................................................... 314
Encrypting Configuration Files ................................................................................................... 316
Resource Files ........................................................................323
Replace Rule Template ............................................................................................................... 324
Dial-now Template ....................................................................................................................... 325
Softkey Layout Template ............................................................................................................. 326
Directory Template ...................................................................................................................... 327
Super Search Template ............................................................................................................... 328
Local Contact File ........................................................................................................................ 330
Remote XML Phone Book ............................................................................................................ 331
Troubleshooting .....................................................................335
Troubleshooting Methods ........................................................................................................... 335
Viewing Log Files .................................................................................................................. 335
Capturing Packets ................................................................................................................ 340
Enabling the Watch Dog Feature ........................................................................................ 341
Getting Information from Status Indicators ........................................................................ 342
Analyzing Configuration Files ............................................................................................. 343
Troubleshooting Solutions ........................................................................................................... 343
Why is the LCD screen blank? ............................................................................................. 343
Why doesn’t the IP phone get an IP address? ................................................................... 344
How do I find the basic information of the IP phone? ....................................................... 344
Why doesn’t the IP phone upgrade firmware successfully? ............................................. 344
Why doesn’t the IP phone display time and date correctly? ........................................... 344
Why do I get poor sound quality during a call? ................................................................ 345
What is the difference between a remote phone book and a local phone book? ....... 345
What is the difference between user name, register name and display name? .......... 345
How to reboot the IP phone remotely? .............................................................................. 345
Why does the IP phone use DOB format logo file instead of popular BMP, JPG and so on?
................................................................................................................................................ 346
What will happen if I connect both PoE cable and power adapter? Which has the higher
priority? .................................................................................................................................. 346
What is auto provisioning? .................................................................................................. 346
What is PnP? .......................................................................................................................... 346
Why doesn’t the IP phone update the configuration? ...................................................... 347
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