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.
SIP protocol was made within IETF (Internet Engineering Task Force) – organization occupied with establishing Internet standards and general standards concerning TCP/IP protocols.
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