Other dialstring formats

The following are a few more types of dialstrings:

• loopback/<destination number>: This creates a call leg and puts it in the dialplan at <destination_number>
• freetdm/<span>/<channel>/<phone number>: This creates a call leg on a telephony interface card (see http://wiki.freeswitch.org/wiki/FreeTDM for more information on using traditional telephony hardware with FreeSWITCH)
• group/<group name>[@domain]: This calls a group of users defined in User Directory