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.
Providing:
Telephone Terminals
Broadband Gateways
Relay Proxy
Routers
GSM VoIP Gateways
GSM VoIP
Radio over IP
RoIP