Dates are as per this Kanzig article:
http://www.athabascaadvocate.com/art...mes-nhl-lineup
It appears the Flames have invited LW Brendan Bell and D Jason Fram to their training camp. Both have attended the most recent Flames development camp.
http://www.eliteprospects.com/player.php?player=95230
http://www.eliteprospects.com/player.php?player=102383
Jason Fram has already been confirmed by Treliving will be attending the training camp at the end of development camp.
Brendan Bell info comes off nhl.com, which is not always 100% reliable, but it lists both Bell and Fram as part of the Flames organization. Nhl.com appears to be listing players on try outs when you check other teams too.