Cisco confirms ability to eavesdrop on remote calls using its VoIP phones
 

*Source: Network World (http://www.networkworld.com/news/200...ropping.html)*
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Cisco confirmed it is possible to eavesdrop on remote conversations using Cisco VoIP phones. In its security response, Cisco says: "an attacker with valid Extension Mobility authentication credentials could cause a Cisco Unified IP Phone configured to use the Extension Mobility feature to transmit or receive a Real-Time Transport Protocol (RTP) audio stream."

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