B.66. Milliwatt()

Generates a 1000 Hz test tone on a channel.
Milliwatt()
Milliwatt tone lines are used by telecommunications carriers for testing and measuring line characteristics. They can be used to check for echo, excessive or inadequate volume, or some kinds of line noise. Standard milliwatt test tones are 1004 Hz at 0 dbm (u-law).
; generate a 1000 Hz Milliwatt test tone:
exten => 123,1,Milliwatt()

Note

Internal help for this application in Asterisk 1.4:
  -= Info about application 'Milliwatt' =- 

[Synopsis]
Generate a Constant 1000Hz tone at 0dbm (mu-law)

[Description]
Milliwatt(): Generate a Constant 1000Hz tone at 0dbm (mu-law)
diff output to internal help in Asterisk 1.2:
- none -