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No-charge license keys for DPMA are available from Digium's webstore at the following web address:
https://wwwstore.sangomadigium.com/asterisk/software/digium-phone-module-for-asterisk/cart.php?action=add&product_code=804-00032&quantity=1
Overview
Once you have a DPMA license key, there are two primary tasks to perform in order to install DPMA software:
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