NB! It seems this console command is not compatible with CS2.
Command Profile

VOICE_ENABLE

CS:GO

This command sets whether or not voice communication is enabled for your client. Setting this to 0 will disable voice. Default is 1 (enabled).

Syntax
voice_enable [0 / 1]

Description

This command sets whether or not voice communication is enabled for your client. Setting this to 0 will disable voice. Default is 1 (enabled).

How To Use voice_enable

  1. Enable the developer console in Counter-Strike settings.
  2. Open the console with the tilde key (~).
  3. Enter voice_enable [0 / 1], replacing bracketed arguments with the value you want, then press Enter.

This legacy command is not currently listed as compatible with Counter-Strike 2.

Syntax And Arguments

voice_enable [0 / 1]
0 / 1 Set to 0 to disable voice. Set to 1 to enable voice (default).