An algorithmic look-ahead of 7.5 ms duration means that total algorithmic delay is 37.5 ms.[1] Its official name is Dual rate speech coder for multimedia communications transmitting at 5.3 and 6.3 kbit/s.

It is sometimes associated with a Truespeech trademark in coprocessors produced by DSP Group.

There are two bit rates at which G.723.1 can operate: G.723.1 is mostly used in Voice over IP (VoIP) applications due to its low bandwidth requirement.

[3] The authorized intellectual property rights licensing administrator for G.723.1 technology is Sipro Lab Telecom.

[4][5][6] Members of the G.723.1 patent pool are AudioCodes, France Telecom, Université de Sherbrooke, Nippon Telegraph and Telephone Corporation and Nokia.