Methods of forming contact openings, making electrical interconnections, and related integrated circuitry are described. A radio network controller node includes in a first message of a Common Transport Channel Setup procedure an indication that sharing of a common transport bearer involved in a session of the Multimedia BroadcastMulticast Service is allowed. In one variant, for certain designated events, a client device may ignore a timer expiration, and apply a previously stored timing advance command. A dealer profile specifying the business rules for managing the inventory is obtained or produced for each dealer. When a number of the monitoring module counting does not reach to a designated number, the monitoring chip records the status of the system as ON status.