User manual

AT820
AT820
AT820
AT820 Series
Series
Series
Series User
User
User
User Manual
Manual
Manual
Manual
37
ATCOM TECHNOLOGY CO., LIMITED www.atcom.cn
by a “ , ” character encountered in the dial plan.
D. Busy Tone ： Played when a 486 RSC is received for an outbound call.
E. Reorder Tone ： Played when an outbound call has failed or after the far end hangs
up during an established call.
F. Off Hook Warning Tone: Played when the subscriber does not place the handset on
the cradle properly.
G. Ring Back Tone ： Played for an outbound call when the far end is ringing.
H. MWI Dial Tone ： This tone is played instead of <Dial Tone> when there are unheard
messages in the subscriber ’ s mail box.
I. Holding Tone ： Indicate to the local user that the far end has placed the call on hold.
J. Conference Tone ： Plays to all parties when a 3-way conference is in progress.
5 .6. Update
5
5
5
5 .6.1
.6.1
.6.1
.6.1 Manual
Manual
Manual
Manual Update
Update
Update
Update
A. Boot Loader: Download Boot file on ATCOM's webpage, then find it from user ’ s PC
to upgrade.
B. Firmware: Download firmware on ATCOM's webpage, then find it from user ’ s PC to
upgrade.
C. Language Package: Upgrade or download language.xml file.
D. Configuration: Upgrade or download config.xml file.
E. Phone Book: Upgrade or download phonebook.xml.