CONTENTS
viii Contents DT820 Phone User Guide
A 3C System Features.............................................................. A-183
Call Pickup................................................................................................ A-184
To pick up a call .................................................................................... A-184
3C Voice Mail ........................................................................................... A-184
To access voicemail.............................................................................. A-184
3C System Telephone Set Star Code Commands ................................... A-185
.................................................................................................................. A-188
B SIP@Net System Features ................................................... B-189
Programmable Keys / Speed Dial keys .................................................... B-189
Example ................................................................................................ B-189
SIP@Net Prefixes..................................................................................... B-190
Message Waiting Indication...................................................................... B-190
Desk Sharing and User Portability............................................................ B-190
To log on to a Desk Sharing Terminal .................................................. B-190
To log out of a Desk Sharing Terminal ................................................. B-190
C EHS Bluetooth® Headset Support ......................................C-193
Supported Headsets .................................................................................... C-193
Electronic Hook Switch Headset .................................................................. C-194
Supported Features.................................................................................. C-194
Setup and Installation ............................................................................... C-194
Headset Base Station Setup................................................................. C-194
Enable the Headset port one the phone ............................................... C-194
Enable EHS headset at the phoneset device ....................................... C-194
Connect Phone to Headset Base Station ............................................. C-195
To set external headset ringing (Optional)............................................ C-195
Headset Troubleshooting ......................................................................... C-195
D Notices................................................................................... D-197
Third Party Software Disclaimer and Limitations ......................................... D-197
Open Source License Acknowledgment................................................... D-197
OpenSSL Redistribution Conditions ..................................................... D-197
libSRTP Redistribution Conditions........................................................ D-198
NetBSD Foundation's (TNF) License.................................................... D-199
BSD license: ......................................................................................... D-199
Audio Coding Licenses............................................................................. D-200
Notice to the user ......................................................................................... D-200
Important safety information......................................................................... D-200
Use of an external AC adapter..................................................................... D-201
Use of an IEEE802.3af power supply .......................................................... D-201
Power Consumption..................................................................................... D-201
Declaration of Conformity............................................................................. D-201
WEEE Product Disposal Information ........................................................... D-205