To install and configure X-Lite softphone as an endpoint, follow the instructions:


First, download current X-Lite build here


Install X-Lite Softphone, follow instructions/screenshots:


X-Lite Sip Softphone

hit Next


X-Lite Soft Phone

Accept the terms and hit next



Choose settings then hit Next


Hit Install 


Launch X-Lite


On first Launch, choose Allow Access (this is from Windows 10).


Setup and Configure X-Lite


Softphone

Go to Softphone -> Account Settings


Configure X-Lite Softphone

Using your Team Member credentials, to find this go here


Where

User ID = SEP Number

Domain = Proxy Server

Password = SEP Password


Click OK.  DONE!