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Does Zfone or ZRTP slow down the VoIP call?

April 26, 2017slow voip zfone zrtp

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Does Zfone or ZRTP slow down the VoIP call?

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No, not during the conversation. At the start of the call it takes a second or two to negotiate the cryptographic keys, but after that, it’s smooth sailing. The AES encryption is much faster than the speech compression that your VoIP client already performs. You won’t notice any additional delay.