International call progress tones for IP-PBX and VoIP telephony

Telephone Line Signalling

Special dial tone

  • Also known as the Stutter dial tone.
  • A tone advising that the exchange is ready to receive call information and inviting the user to start sending call information, at the same time reminding the user that special conditions apply to the termination from which the call is being made.

Search for Special dial tones in the World Tone Database
Back to guide
Related product: CPT-Master tone generator app