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A Secure Call is a voice connection which can't be wiretapped and it runs over Voice Over IP (VoIP) communication protocol.
Brand brand server
is the PBX committed to perform Secure Calls both end to end and end to site. It differs from a standard PBX for exposing just the Secure Call service to VoIP Brand brand server
clients and can be connected to a standard PBX via SIP Trunks if configured accordingly. Brand brand client
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