Advanced Call Handling

Using BLF to Determine a Line State

Busy Lamp Field features (BLF) allow you to view the state of a phone line that is associated with a speed-dial button, call log, or directory listing on your phone. If you use BLF Pickup, you can answer a ringing call for the line that you are monitoring. Your system administrator determines which BLF features are configured for your phone.

If you want to...

Then...

 

 

 

 

See the state of a line

Look for one of these indicators next to the line number:

listed in a call log or

 

 

 

 

Line is in-use.

directory

 

 

 

 

 

 

 

 

Line is idle.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLF indicator unavailable for this line.

 

 

 

 

 

 

 

 

 

 

 

 

 

Line is in Do Not Disturb state.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

See the state of a

Look for one of these indicators next to the line number:

speed-dial line

 

 

 

+

 

 

 

Line is in-use.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

Line is idle.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLF indicator unavailable for this line.

 

 

 

+

 

 

Line is in Do Not Disturb state.

 

 

 

 

 

 

 

 

 

 

 

 

(flashing)—Line is ringing (BLF Pickup only).

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Use BLF Pickup to

Press the BLF Pickup button

 

while the line is ringing.

 

answer a call ringing on

 

 

 

 

 

 

 

 

 

 

The call is redirected to the next available line on your phone. (If you want

a coworker’s phone

to specify a line, first press a line button, then press the BLF button.)

 

 

If your phone supports auto-pickup, the call connects automatically.

 

Otherwise, the call rings on your phone for you to answer.

 

Note If you press the BLF Pickup button when the monitored line is not

 

 

ringing, your phone will speed dial the line number.

Tips

Your phone might play an audible indicator to alert you when a call is ringing on the monitored line (BLF Pickup only).

BLF Pickup answers the oldest ringing call first (if the line that you are monitoring has more than one ringing call).

Cisco Unified IP Phone 7962G and 7942G Phone Guide for Cisco Unified Communications Manager 6.1(3) (SCCP and SIP)

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Denon 7942G manual Using BLF to Determine a Line State