We have a 924e Gen2 acting as an SBC. We were told by an Adtran support rep that the 924e can handle 50 simultaneous SBC sessions, but we're finding that it maxes out at 25 calls. Is a session defined as a single call leg, or does a session include both legs of an anchored call? Whenever we hit 25 calls, the 26th call gives us a 403 Forbidden error. We have the max calls on the SIP trunks set to 50.