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The Digium IAXy supports pulse dialing out of the box. Configure /etc/asterisk/iax.conf with some
entries that will allow the IAXy to be used as a peer:
[rotary]
type=peer
username=asterisk
secret=supersecret
In this case, I used rotary as the IAX peer name. All you need to do, once this config is done, is
register the IAXy with your Asterisk server as the IAX user asterisk. The rotary phone connects to
the IAXy. Now you can use the rotary phone as you would any valid endpoint in your dial plan by
routing calls to IAX/rotary using a Dial command.
5.14.2. Do Pulse with a Wildcard
If you opt to use Digium's Wildcard TDM400 with an FXO module installed, you'll need to add a line of
code to the /etc/asterisk/zapata.conf file on the Asterisk phone system. In the Zaptel channel section
of zapata.conf for this particular FXO channel, the following bit of config will enable the FXO port to
support pulse dialing:
pulsedial=yes