Thanks for the links Gourav. We'll give it a shot as soon as the
Celliax port to FS will be over :-)
btw, the "calling 1000" problem with skypiax is fixed:
http://wiki.freeswitch.org/wiki/Skypiax#Dialplan.2C_what_to_add_to_default.xml_for_use_with_Skypiax