A conclusion is drawn that the optimal packet length is about 31byte for the case of 32kb/s encoded voice when AAL2 packet voice multiplexer without bit dropping is concerned.

• 得出结论:对于无比特丢弃的AAL2分组话音系统,当话音采用32kb/s的编码时,AAL2分组的最优长度大约为31个字节;