2 ; Linux Telephony Interface
8 ; Select a mode, either the phone jack provides dialtone, reads digits,
9 ; then starts PBX with the given extension (dialtone mode), or
10 ; immediately provides the PBX without reading any digits or providing
11 ; any dialtone (this is the immediate mode, the default). Also, you
12 ; can set the mode to "fxo" if you have a linejack to make it operate
19 ; You can decide which format to use by default, "g723.1" or "slinear".
20 ; XXX Be careful, sometimes the card causes kernel panics when running
21 ; in signed linear mode for some reason... XXX
26 ; And set the echo cancellation to "off", "low", "medium", and "high".
27 ; This is not supported on all phones.
31 ; You can optionally use VAD/CNG silence supression
33 ;silencesupression=yes
35 ; List all devices we can use. Contexts may also be specified
38 ;device => /dev/phone0