Yealink SIP-T2 SERIES Administrator's Manual page 560

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
Details of Configuration Parameters:
Parameters
features.pickup.blf_visual_enable
Description:
Enables or disables the IP phone to display a visual alert when the monitored user
receives an incoming call.
0-Disabled
1-Enabled
Note: It is not applicable to SIP-T19(P) E2 and CP860 IP phones.
Web User Interface:
Features->Call Pickup->Visual Alert for BLF Pickup
Phone User Interface:
None
features.pickup.blf_audio_enable
Description:
Enables or disables the IP phone to play an audio alert when the monitored user
receives an incoming call.
538
Configure the period of the BLF
subscription.
Configure whether to handle NOTIFY
messages out of the BLF dialog.
Navigate to:
For
SIP-T48G/T46G/T42G/T41P/T40P/T29G/T27
P/T23P/T23G/T21(P) E2:
http://<phoneIPAddress>/servlet?p=ac
count-adv&q=load&acc=0
For SIP VP-T49G:
http://<phoneIPAddress>/servlet?m=m
od_data&p=account-adv&q=load&acc
=0
Phone User
Assign a BLF key.
Interface
Permitted Values
0 or 1
0 or 1
Default
0
0