# Phone lines

Phone lines management in GLPI allows to:

* Create an inventory of all organization's phone lines;
* Follow information on each phone line;
* Include phone lines in GLPI financial management.

![A phone line in GLPI](/files/EubCYhEByaQDQ2od9Akm)

## Basic fields

* Name
* [Status](/documentation/tabs/common_fields/status.md)
* [Location](/documentation/tabs/common_fields/location.md)
* [User](/documentation/tabs/common_fields/user.md)
* [Group](/documentation/tabs/common_fields/group.md)
* [Comments](/documentation/tabs/common_fields/comments.md)
* Line type :
  * You can add an existing line type or add a new one by clicking on +.

## Specific fields

* Caller number : telephone number attached to the line
* Caller name : user attached to the line
* Line operator :
  * You can add an existing operator or add a new one by clicking on +.

## The different tabs

### Items

List of all other linked GLPI [Items](/documentation/tabs/item.md). You can manually add an item by selecting it from the drop-down list.

### Management

[Management](/documentation/modules/configuration/general/management.md) of financial and administrative information, this information is visible in the 'Management' tab on the object form.

### Contracts

GLPI supports [contracts management](/documentation/modules/management/contract.md), in order to manage contract types such as loan, maintenance, support...

Contracts management allows to:

* make an inventory of all contracts related to the organization assets
* integrate contracts in GLPI financial management
* anticipate and follow contract renewal.

### Documents

The [document](/documentation/modules/management/documents.md) tab lets you link different types of file to a material (PDF, txt, png, etc.) You can attach a document already uploaded to GLPI or add a new one directly from this tab.

### Note

The [Notes](/documentation/modules/tabs/notes.md) tab provides a free text field for storing additional information. Notes are displayed in the order of their creation. You can also add a document

## History

The *History* tab is used to show any changes made to an item. The following information about the changes is available:

* ID of the change.
* Date and time the change was made.
* User who made the change. If this field is not filled, it means that the action was done automatically (For example: automatic inventory update).
* Field that was changed.
* Description of the change that was made.

The description of the change represents either the difference between the old and the new value (For example with location field: Change HQ to Remote Office A), or the explanation of the action which was carried out (For example: Uninstallation of a software: "Gimp 2.0").

{% hint style="info" %}
For dropdowns or objects with a parent/child relationship, the modification of a child will appear in the history of the parent element.
{% endhint %}

## All Information

For an item, all information is displayed on one page from the *All* tab. This shows all of the tabs of an object's form in one view, one below the other.


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