Type list synchronization media-gateway to determine if any gateway is set up for synchronization.
Type change synchronization media-gateway n, where n is the number of the gateway that requires synchronization.
In the Primary field, type the location of T1 media module. Obtain this location from the media modules available for the Synchronization list. Ensure that you choose a working synchronization source.
(Optional) In the Secondary field, type the location of T2 media module.
