Abstract: A vending machine for dispensing a customized dietary supplement to dialysis patients, is disclosed. The vending machine comprises a serving dispenser designed to hold and distribute the customized dietary supplement to a user. The vending machine further comprises a user interface, a controller having a memory unit to store an inventory of ingredients operatively linked to a user interface and programmed to control the serving dispenser. The controller is configured to dispense the customized dietary supplement based on a user input. The vending machine prevents user from having unhealthy snacks for dialysis. The method decreases health complication faced by the dialysis patients. The vending machine provides wide product selection and optimal component storage capacities. It also affords improved product quality, which helps in improving the patients' health.

Abstract: A method and a system for accessing through a second mobile telecommunication network to services offered by a first mobile telecommunication network comprising the steps of: establishing a first communication channel with the second network, based on a secondary SIM card; establishing a second communication channel with the first network using the first communication channel, wherein a user of the mobile communication device is authenticated using a primary SIM card; registering, through the second communication channel, the user of the mobile communication device into the first network using the information stored in the primary SIM card; and accessing from the mobile communication device to services offered by the first network through the second communication channel.

Abstract: A method and a system for accessing through a second mobile telecommunication network to services offered by a first mobile telecommunication network comprising the steps of establishing a first communication channel with the second network, based on a secondary SIM card; establishing a second communication channel with the first network using the first communication channel, wherein a user of the mobile communication device is authenticated using a primary SIM card; registering, through the second communication channel, the user of the mobile communication device into the first network using the information stored in the primary SIM card; and accessing from the mobile communication device to services offered by the first network through the second communication channel.