ISIP decoder v3.3 integrates the functions of lattice rescoring, force alignment, N-Gram decoding and N-Gram lattice generation. The mode can be selected from the command line by choosing -lattice, -ngram or -forcealign.

Another two new options being added to command line are:
-h : number of histories at each word (default 1)
-n : n-best hypotheses to be output (default 1)

In N-Gram decoding and lattice generation, bigram and trigram language model are used.