Note, this no longer defaults to a fixed range of ports (5060-5160), but
that appears unnecessary. The SIP RFC3261 says that 5060 is the default
if a port is not specified, but we always include our port in the Via
header. Thus there's no reason to restrict ports to any particular
range.
/**
* Send commands to Purple via ~/.purple/control
*
* Originally by Eric Warmenhoven <eric@warmenhoven.org>
* Compile fixes/mini hacks Alex Bennee <alex@bennee.com>
* and Brian Tarricone <bjt23@users.sourceforge.net>