Digium TDM400P, User Manual

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Page 52 Digium, Inc. Release 1.0
Appendix C: Asterisk Configuration Commands
cadence
You can define your own custom ring cadences, up to 8 pairs. If the
silence is negative, it indicates where the callerid spill is to be placed.
Also, if you define any custom cadences, the default cadences will be
turned off.
Syntax is: cadence=ring,silence [,ring,silence[...]]
The default is based on the country code.
callerid
CallerID can be set to asreceived or a specific number if you want to
override it. Note that asreceived only applies to trunk interfaces.
asreceived or a specific number
callgroup, pickupgroup
Supports ring groups (a.k.a. call groups) and pickup groups. If a phone is
ringing and it is a member of a group which is one of your pickup groups,
then you can answer it by picking up and dialing *8#.
For simple offices, just make these both the same positive integer
callprogress, progzone
On trunk interfaces (FXS), it can be useful to attempt to follow the
progress of a call through ringing, busy, and answering. If enabled, call
progress attempts to determine answer, busy, and ringing on phone lines.
This feature is HIGHLY EXPERIMENTAL and can easily detect false
answers, so DO NOT rely on it being accurate.
Few zones are supported at the time of this writing, but may be selected
with progzone, yes / no, and two letter country code for progzone.
callreturn
Support call return (*69).
yes / no