Compressed web phone calls are easy to bug

[Quote:] Plans to compress internet (VoIP) phone calls so they use less bandwidth could make them vulnerable to eavesdropping. Most networks are currently safe, but many service providers are due to implement the flawed compression technology. The new compression technique, called variable bitrate compression produces different size packets of data for different sounds. That happens because the sampling rate is kept high for long complex sounds like “ow”, but cut down for simple consonants