5.4.2 Others

The SIP miscellaneous folder helps you set other tone dialing properties.

• DTMF transmission – set the DTMF transmission method:
  • inBand
  • RTP DTMF
  • info (RFC(2976)
• Auto delay – set the sound delay timeout in ms in the range of 0 to 2000 ms. Used for DTMF suppression in the voice channel. The minimum DTMF suppression timeout is 1 ms. By setting the time value to 0 ms, you disable the sound delay function.