Patent ID: 6735191
Filing Date: 2004-05-11
Classification: H04L

Abstract:
A method for transporting Time Division Multiplexing (TDM) voice traffic in packet form, comprisingmultiplexing individual pluralities of TDM voice traffic circuits into respective real time variable bit rate (rt-VBR) virtual circuits, each rt-VBR virtual circuit having a sustainable cell rate, peak cell rate and maximum burst size, and combining the rt-VBR virtual circuits for transport over a packet network link, said packet network link implementing at least one of a packet overload control mechanism and a packet admission control algorithm, the combination of a) said sustainable cell rate, b) said peak cell rate, c) said maximum burst size, d) the bit rate of the TDM voice traffic circuits, e) the number of multiplexed TDM voice traffic circuits, f) the number of said rt-VBR circuits, g) the capacity of said packet network link and h) a predefined cell loss ratio for said packet network link, being such that substantially all overload control and substantially all admission control of said packets is performed at said packet network link and substantially no overload control and substantially no admission control of said packets is performed at any of said rt-VBR virtual circuits.