5.8.4 Busy Tone

The Busy Tone folder helps you set the dial tone parameters.

• Frequency 1 – set the busy tone frequency. The default value is 452 kHz.
• Frequency 2 – set the busy tone frequency. 
• Modulation – set the busy tone modulation:
  
  • 330/330
  • 200/200
  • 250/250
  • 375/375
  • 500/500

The factory default values are listed in Chapter 3. Tóny na telefonní lince – provozní tóny.