Audio Codec’s: G.729, G.711
G.729 is an audio algorithm of voice transfer data compression that compresses the digital voice into 10 ms duration packages.
G.711 is an ITU-T standard for audio compounding. This is mainly used in telephony.
Cisco 7942G is an IP phone with complete functionality, it has a speakerphone and a handset, which was specially developed for broadband sound.
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