You can use the Busy Lamp Field feature to monitor the status of single-line sets, single-member lines, key system lines, multicall Broadcast Groups, and Hot Desk users.
Additional BLF indicators can be obtained by adding a Programmable Key Module.
Each BLF indicator can also provide a single audible ring when the lamp starts to indicate a call ringing on the monitored line (see Direct Station Select/Busy Lamp Field Programming for more information).
The following table describes the BLF indicator on legacy phones:
Busy Lamp Indications |
||
Busy Lamp Appearance |
Meaning |
|
Red |
Green |
|
OFF |
OFF |
Idle set, and "Green BLF Lamp for Logged in Hot Desk User" Class of Service option set to "No". Logged out Hot Desk user and "Green BLF Lamp for Logged in Hot Desk User" Class of Service option set to "Yes". See Notes below. |
OFF |
STEADY ON |
Idle set or idle logged in Hot Desk user, and "Green BLF Lamp for Logged in Hot Desk User" Class of Service option set to "Yes". See Notes below. |
STEADY ON |
-- |
Busy |
Normal Alternating: 750 mS ON, 750 mS OFF |
-- |
Ringing (Idle or DND) |
Alternating: 600 mS ON, 150 mS OFF |
-- |
DND (Idle or Busy) |
Fast Alternating: 150 mS ON, 150 mS OFF |
-- |
Call Forward Always active |
Alternating: 62 mS ON, 438 mS OFF |
OFF |
Logged out Hot Desk user, and "Green BLF Lamp for Logged in Hot Desk User" Class of Service option set to "No". |
NOTES
The green busy lamp appearance is for those sets that support green lamps.
The green busy lamp appearance is not supported on Programmable Key Modules (PKMs).
A logged out Hot Desk user is indicated by the lamp extinguishing.
On IP Console applications, the BLF icons will show Hot Desk as logged out.
The following table describes the BLF indicator on 6910 IP Phones (indicators for the 6920, 6930 and 6940 IP Phones are described here):
Busy Lamp Indications |
|
Busy Lamp Appearance |
Meaning |
Red |
|
OFF |
Idle set Logged in Hot Desk user |
STEADY ON |
Busy |
Normal Alternating: 756 mS ON, 756 mS OFF |
Ringing (Idle or DND) |
Alternating: 900 mS ON, 100 mS OFF |
DND (Idle or Busy) |
Fast Alternating: 50 mS ON, 50 mS OFF |
Call Forward Always active |
Alternating: 100 mS ON, 900 mS OFF |
Logged out Hot Desk user |
NOTE: The Busy Lamp Field Indication feature is not applicable for 6905 IP Phones.
Busy Lamp Indications for PKMs and sets not supporting green lamps |
||
Busy Lamp Appearance |
Meaning |
|
Red |
Green |
|
OFF |
OFF |
Idle set. Idle or logged out Hot Desk user and "Green BLF Lamp for Logged in Hot Desk User" Class of Service option set to "Yes". |
OFF |
ON |
N/A |
Alternating: 438 mS OFF, 62 mS ON |
OFF |
Logged out Hot Desk user, and "Green BLF Lamp for Logged in Hot Desk User" Class of Service option set to "No". |
Busy Lamp Indications by Monitored Device or Group |
||
Device or Group Type |
Call Status |
Busy Lamp Indication |
Single Line or Key System Prime/Non-Prime Mixed Key System Group (Station Follows Call State) Stations |
Idle |
Idle |
Ringing |
Ringing |
|
Busy |
Busy |
|
Call on Hard Hold |
Busy (idle for stations) |
|
Soft Held Call Recalling |
Ringing |
|
DND (All members of a Non Prime Key System) |
DND |
|
DND (Station or Prime Key System Broadcst Group) |
DND |
|
Call Forward Always active (Prime line) |
Call Forward Always active |
|
Hot Desk user logged out (Prime line only) |
Hot Desk user logged out |
|
Multicall Prime or Non Prime Broadcast Groups |
Two Idle |
Idle |
Ringing and Idle |
Ringing |
|
Ringing and Busy |
Ringing |
|
Busy and Idle |
Idle |
|
Two Busy |
Busy |
|
Hard Held Call and Idle |
Idle |
|
Two Hard Held Calls |
Busy |
|
Hard Held Call Recalling |
Ringing |
|
Soft Held Call Recalling and Idle |
Idle |
|
Soft Held Call Recalling and New Call Ringing |
Ringing |
|
Two Soft Held Calls Recalling |
Busy |
|
All Members DND |
DND |
|
Mixed Multicall Group (Station Follows Call State) |
Idle |
Idle |
Ringing and Idle |
Ringing |
|
Ringing and Busy |
Ringing |
|
Busy and Idle |
Idle |
|
Two Busy |
Busy |
|
Hard Held call at Station and Idle |
Idle |
|
Hard Held Call at Station and New Call Ringing |
Ringing |
|
Hard Held Call at Station and Busy |
Idle |
|
One or Two Hard Held Calls Recalling |
Ringing |
|
Soft Held Call Recalling and Idle |
Idle |
|
Soft Held Call Recalling and New Call Ringing |
Busy |
|
Soft Held Call Recalling and Busy |
Busy |
|