Obi202 PA Speakers using FreePBX

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SteveInWA:
Quote from: drgeoff on June 08, 2016, 04:31:45 pm

http://www.obihai.com/OBiDeviceAdminGuide#_Toc367543009


Right.  And, as the admin guide points out, you need hardware (an interface) to connect the phone line output of the OBi to the PA system, with the proper impedance matching.  Off-hook impedance on a telephone is 600 ohms.  Input impedance to an audio amplifier is typically higher.  Just one example:  http://www.epanorama.net/circuits/teleinterface.html#audioint

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