Dialstring formats

Dialstrings serve as arguments when originating (eg, creating new, outbound from the FreeSWITCH server) calls.

Each endpoint module has its own dialstring syntax. The most important endpoint modules are mod_sofia (supporting SIP signaling protocol) and mod_verto (supporting VERTO protocol).

Call creation (origination) is made in dialplan by the application "bridge". If you are in dialplan you are processing an incoming call, and the newly originated call(s) will be "bridged" to the incoming.

All registered users can get their dialstring from User Directory (that's what happen in demo configuration). In User Directory you can set a generic dialstring for all users, and specially crafted dialstrings for a users' group and/or for an individual user. Each value can be overridden the more specific you get.

Also, you can originate calls from command line (or from scripting), with the "originate" command (see later in this section).