Yealink SIP-T2 Series Administrator's Manual page 290

Administrator's Guide for SIP-T23 & T23P & T23G IP Phones
Parameters
Phone User Interface:
Menu->Features->DSS Keys->Line Key X->Value
linekey.X.pickup_value
(x ranges from 1 to 3)
Description:
Configures the pickup code for BLF feature.
This parameter only applies to BLF feature.
Example:
line.1.pickup_value = *88
Web User Interface:
Line Key
DSSKey->
Phone User Interface:
Menu->Features->DSS Keys->Line Key X->
To configure a BLF key via web user interface:
1. Click on DSSKey->Line Key.
2. In the desired DSS key field, select BLF from the pull-down list of Type.
3. Enter the phone number or extension you want to monitor in the Value field.
4. Select the desired line from the pull-down list of Line.
5. (Optional.) Enter the directed call pickup code in the Extension field.
6. Click Confirm to accept the change.
To configure visual alert and audio alert for BLF pickup via web user interface:
1. Click on Features->Call Pickup.
2. Select the desired value from the pull-down list of Visual Alert for BLF Pickup.
278
Permitted Values
String within 256
->Extension
characters
Extension
Default
Blank