How to suppres number beeps/DMTF tones?

When call is made with terminator # , each number beeps with DMTF tone, it delays the connection. is there any way to suppress these beeps from asterisk softphone and accelerate the call? I want to move immediately to the welcome message …

This is the wrong forum for support questions. It is DTMF (dual tone multi-frequency) not DMTF.
You normally only hear tones when using an analogue phone, in which case, sending the tones is a necessary part of the process and the tones are normally generated locally, so I don’t understand the question.