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Shared Line Appearance
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Shared Line Apprearance(SLA) also known in older phone systems as a "Key System".


FusionPBX Settings
^^^^^^^^^^^^^^^^^^^

FusionPBX Menu Advanced > SIP Profiles > edit a profile to enable SLA.

.. image:: ../_static/images/additional_information/fusionpbx_multiple_reg_true.jpg
        :scale: 85%


* **name:** multiple-registrations
* **value:** contact
* **enabled:** true


Yealink SLA
^^^^^^^^^^^^^

FusionPBX Menu Accounts > Device > Edit a specific device.

.. image:: ../_static/images/additional_information/fusionpbx_shared_line_yealink.jpg
        :scale: 85%

* Line > Shared Line

* Options: 0-Disabled (default), 1-Broadsoft SCA, 2-BLA
        
            


Polycom SLA
^^^^^^^^^^^^^^

FusionPBX Menu Accounts > Device > Edit a specific device.

.. image:: ../_static/images/additional_information/fusionpbx_polycom_shared_line.jpg
        :scale: 85%

* Line > Shared Line

* Options: shared, private