Tóm tắt nội dung: Internet telephony service is defined as the provision of real-time, interactive, multimedia telecommunications services between human users, using the public Internet. The most difficult problem in providing Internet telephony is to overcome the increased jitter, delay, and loss (as compared to circuit-switched networks) suffered by voice. In the past, the method of Forward Error Correction (FEC) was researched with buffer adaptation mechanisms to resolve these problems....