adv now, by now, already; of future time, immediately, presently, soon; henceforth; further, moreover; just, indeed; 'iam diu, iam dudum, iam pridem', now for a long time
Initial Address Message An ISUP message that contains call setup information and which is sent when the switch needs to complete the circuit between the calling party and the called party An IAM contains the called party number in the mandatory variable part and may contain the calling party name and number in the optional part