1. www.linuxfoundation.org/collaborate/workgroups/networking/netem .
2. ITU-T Recommendation P.501. (2009). Test signals for use in telephonometry. Geneva: International Telecommunication Union.
3. 3GPP: Ts 26.071 : Mandatory speech codec speech processing functions; amr speech codec; general description. Tech. Rep. TS 26.071, 3rd Generation Partnership Project (2008).
4. 3GPP: Ts 26.190 : Speech codec speech processing functions; adaptive multi-rate - wideband (amr-wb) speech codec; transcoding functions. Tech. Rep. TS 26.190, 3rd Generation Partnership Project (2008).
5. 3GPP2: C.s0014-a : Enhanced variable rate codec, speech service option 3 for wideband spread spectrum digital systems. Tech. Rep. C.S0014-A, 3rd Generation Partnership Project 2 (2004).