Groupd of custom VI purpose developed to addin Telnet Mute function. This VI added telnet option into what currently using which only mute via HTTP Status of VI : Evaluation stage How to replace this into current SoundCheck Sequence Place all vi into "C:\SoundCheck 13.0-x64\System\Custom VIs" Replace custom step below :- Mute_IP1 --> TelnetMute_IP1 Mute_IP2 --> TelnetMute_IP2 MonoDUT_Muting --> TelnetMonoDUT_Muting Make sure you uncheck the "Http (uncheck box for Telnet)" in custom step to enable Telnet Mute function