Snom D335 - Page 118

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D335 User Manual Appendix 4
Conference Server This function key can be used for PBX-based conferences and for local conferences on
the phone itself.
• PBX-based conferences. When a conference room or conference account has been
created on the server for an individual identity, you can dedicate a function key to
calling and monitoring the conference room. Select the identity and the "Conference
server" function from the respective drop-down menus and enter the SIP URI of the

with your particular PBX, please check the PBX manual.
• 
function key will initiate a phone-based conference with all held calls and any active
call.
DTMF 

active call.
Extension This function key allows showing the status (idle, ringing, held call, busy) of another
extension on the key's LED. By pressing the key, it may also be possible to pick up calls
ringing on the extension, to dial the extension when the phone is idle, and to transfer an
incoming call ringing on your own extension. These functionalities depend on your PBX;
for more information, please check snom's interoperability page and the PBX manual.
With Asterisk, generally use BLF rather than this function.
Forward to All incoming calls will be forwarded to the number (extension or external phone number)

red LED lights up when the function is turned on.
Intercom Pressing a function key mapped with "Intercom" will establish a two-way connection

intercom reception on its web interface (Advanced Settings > Behavior tab > Phone
Behavior > Intercom Policy "only in idle" or "always").
"Intercom Policy" settings on the phone being called via intercom:
Always: The intercom call will connect to the called phone automatically; if the called
phone is in a call, that call will be placed on hold.
Only in idle: The intercom call will connect to the called phone automatically if the
called phone is idle. If it is in a call, the incoming intercom call will be announced as call
waiting.
O
where it will be treated like any other incoming call, i.e., ring, be forwarded, etc.