The following link will lead you to Counterpath's website. Counterpath manufactures the softphone XLITE. XLITE is a free download, although there are more advanced versions that come at a cost.
Many other softphones will work with the BC200, but may not have been tested to comply with our quality assurance standards. But, in general, if a softphone complies with SIP standards (Session Initiation Protocol) it should work with the BC200.
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