DeviceTypeUser Container Number Limitations1 2 3 … 1,999Main Registered Registered Registered … Unregistered The total number ofmain and sub devicesmust be 2000 or less.Sub Registered Unregistered Registered … UnregisteredUMmailboxRegistered Registered Registered … Unregistered None.Conditions• A User Container contains a main device, a Unified Messaging mailbox, and an optional sub device.• The user can use service features on any device by using the extension number of the main device as arepresentative number.This representative number is referred to as the main extension number.PC Programming Manual References8.1 Users—User ContainerOperating Manual References1.6 User Device Management2.7.1.2 Editing User SettingsDescriptionExtension users can sign in to My Portal and change various settings related to their User Container.Conditions• Settings regarding the relation between the user and the devices cannot be configured.PC Programming Manual References17 My PortalOperating Manual References1.6 User Device Management2.7.2 Call Control Feature2.7.2.1 Main Device/Device CommonDescriptionBy calling the user's main device, it is possible to send an incoming call signal to the main device and subdevice registered in the User Container at the same time.It is also possible to send an incoming call signal to a sub device at a predetermined time delay from thetime of an incoming call to the main device depending on the user settings.2.7.2 Call Control Feature22 Feature Manual