Patent ID: 7715443

Claim:
A method for transmultiplexing a data stream carried on a synchronous network so that the data stream can be carried on a plesiochronous network, comprising: extracting data from a data stream carried on a synchronous network and formatted according to a synchronous network protocol; storing the extracted data in a buffer based on a first timing signal associated with the data stream; reading the extracted data from the buffer based on a second timing signal associated with a plesiochronous network protocol; generating a phase difference signal corresponding to a phase difference between the first timing signal and the second timing signal; filtering the phase difference signal in a synchronous domain; and generating stuff bits for a data stream according to the plesiochronous network protocol based on at least a piece-wise linear function of a phase difference between the first timing signal and the second timing signal; and transmitting the data stream according to the plesiochronous network protocol onto the plesiochronous network.