MA5600T(config-pstnport)#pstnport attribute batset 0/16/0 0/16/31 nlp-mode
Change to 1,3,4, voice quality can be improved greatly. when setting to1,3 , there is only a little loss and it is the ending part, the subscriber will not feel it. If setting to 4, it means to close the NLP, no any loss.
In short, problem can be solved when setting to 1,3,4, in the end, the customer dicide to set nlp－mode to 3.
If we need to change the nlp-mode for all the ports of MA5600T, no need to change it one by one, just use the following command to change by batch:
ma5600t(config-pstnport)#pstnport attribute batset 0/0/0 0/22/63 nlp-mode 3 //From 0/0/0 to 0/22/63, the system will judge which ports need to be changed.
pstnport attribute batset 0/0/0 0/22/63 nlp-mode 3
command processing is completed. the data of 96 users has been modified
Currently, no new version can solve this problem, we can only solve it by this setting.