Before you administer any trunk group, verify you have one or more media modules of the correct type with enough open ports to handle the number of trunks you need to add.
For more information about media modules, see Avaya Aura® Communication Manager Hardware Description and Reference.
Tip:
In the DID/Tie/ISDN Intercept Treatment field on the Feature-Related System Parameters screen, enter attd. Incoming calls to invalid extensions get routed to the attendant.
