Manpages of vpb-utils in Debian bookworm

• dtmfcheck(1)
• measerl(1)
• playwav(1)
• proslicerl(1)
• raw2wav(1)
• recwav(1)
• ringstat(1)
• tonedebug(1)
• tonegen(1)
• tonetrain(1)
• vdaaerl(1)
• vpbecho(1)