Settings

CLIR (Calling Line Identification Restriction) / COLR (Connected Line Identification Restriction) If these network functions are active, your phone number is not displayed on the called person’s phone.

Closed User Group (CUG)

This network service allows incoming and outgoing calls to be restricted to a selected user group. You may be a member of up to 10 user groups.

For details on how to create, activate and use a closed user group, contact your service provider.

Example: A company lends SIM cards to its employees and wants to restrict outgoing calls to members of the same team.

Activating a Closed User Group

If you select the Closed User Group menu, you are asked if you wish to activate the CUG function. Press the Yes soft key. You can now access the following options.

Deactivate: deactivates the CUG function.

Index List: lets you list, add or delete CUG index numbers. The list of current CUG indexes appears. Add a new CUG index (as advised by your service provider) or delete a selected group.

 

 

Settings

To...

Then press the...

Scroll through the

or

key.

existing CUG indexes

 

 

Add a new CUG index

Options soft key, select

 

Add and enter the index.

Delete a CUG index

or

key to select

 

the index to be deleted,

 

press the Options soft key

 

and select Delete.

Outside Access: enables you to allow or prohibit calls to numbers other than those nominated for the Closed User Group. This feature depends on the nature of your CUG subscription. Please check with your service provider.

Default Group: you may communicate a default CUG to your service provider. If you have done so, you can enable the Default Group option on your phone. When making a call, you will be given the option of using your default CUG, instead of selecting one from the list.

Security Settings

Menu 4-3

The Security feature enables you to restrict the use of your phone to:

•The people of your choice

•The types of calls of your choice

Various codes and passwords are used to protect the features of your phone. They are described in the following sections (also see page 114).

88

89

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Samsung SGH-R220 owner manual Security Settings, Closed User Group CUG, Activating a Closed User Group, Select Delete
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SGH-R220 specifications

The Samsung SGH-R220, released in the early 2000s, stands as a testament to the era of mobile phones that prioritized functionality and simplicity. As a compact device, it was designed primarily for calling and texting, catering to users who valued portability and ease of use over more advanced features.

One of the standout features of the SGH-R220 is its sleek, minimalist design. The phone's small, lightweight body made it easy to carry in pockets or bags, making it a convenient choice for on-the-go individuals. The clamshell form factor not only enhanced its portability but also contributed to the protection of the keypad, preventing accidental presses when the phone was not in use.

In terms of display technology, the SGH-R220 featured a monochrome LCD screen, which was common for its time. While not known for vibrant colors or high-resolution visuals, this screen was perfectly serviceable for reading messages and navigating menus, ensuring that users remained focused on the task of communication without overwhelming distractions.

The Samsung SGH-R220 offered basic connectivity options, primarily focusing on voice calls and SMS messaging. Supporting GSM technology, it provided reliable connectivity in regions where GSM networks were prevalent. Though it lacked modern capabilities such as 3G or Wi-Fi, the phone was well-suited for those looking to stay connected without the need for data-heavy applications.

Battery life was another strongpoint of the SGH-R220. Equipped with a robust removable battery, it provided users with hours of talk time and standby life, ensuring that the device could last through a busy day without requiring frequent recharges. This reliability made it a favorite among individuals who needed an uncomplicated communication tool.

In summary, the Samsung SGH-R220 epitomized the essence of early mobile technology by offering a reliable and straightforward experience. With its compact design, dependable battery life, and focus on core functions of calling and texting, it captured the needs of a generation before the smartphone revolution transformed mobile communication forever. The SGH-R220 serves as a nostalgic reminder of a simpler time in mobile technology, when phones were cherished for their functionality rather than their multimedia capabilities.
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