cvapSvcMultiCIDGlareThreshold 1.3.6.1.4.1.9.9.323.1.3.1.1.18

This object specifies the threshold at when reached on the SVC-Terminating end, that no more CID's can be added to that Terminated-SVC from the Termination end. The Originating end will be able to use the remaining CID's in the SVC.