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How to transfer a call using BLF keys on a Snom 870

BLF (Busy Lamp Field) keys are designed to monitor extensions

For example a receptionist may have a phone with a number of physical or virtual (In the Snom 870’s case) keys that can be configured to light up when a specific extension is making or receiving a call, visually indicating at a glance whether an extension is busy or not

A BLF key can be configured on a Snom phone by accessing the ‘Function Keys’ menu item on the phone’s web interface

A simple illustration would be as follows

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Programmable Key 3 P3 is now configured to monitor extension 13

Often we are asked whether a single key can be programmed to transfer a call to a given extension.  Well this can be achieved via BLF keys

The following is the procedure for performing a ‘Blind Transfer’ using a BLF

Incoming Call

Call answered on Snom Phone

Press Transfer key

Press BLF key

Done

The following is the procedure for performing an ‘Announced Transfer’ using a BLF

Incoming Call

Call answered on Snom Phone

Press BLF key

Speak to the person at the extension, announcing the caller

Press Transfer

Press Transfer

Done

Another useful tip for configuring the BLF key might be if you were wishing to use the BLF key to ‘pickup’  a call destined for the monitored extension.  You may be a PA monitoring your Chairman’s phone, notice an inbound call to his extension and wish to answer it easily on his behalf.  In this scenario you would simple configure the BLF key as follows:

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