Asterisk VoIP call recording by CallRex Professional or CallRex Express is an advanced, packet-based call recording and monitoring software solution designed for Asterisk's open source IP PBX platform.

CallRex Professional and CallRex Express are the ideal Asterisk call recording solution because they use packet-sniffing technology to record calls. Packet-based call recording offers an advanced, yet affordable, solution to small and medium businesses that were previously unable to afford call recording and monitoring solutions.

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