# 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](https://3503800744-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIiEHKRx5AeABNDLcRlWX%2Fuploads%2Fgit-blob-63e568224f442812d1b0270e7433f86afb48a280%2Flines.png?alt=media)

## Basic fields

* Name
* [Status](https://help.glpi-project.org/documentation/tabs/common_fields/status)
* [Location](https://help.glpi-project.org/documentation/tabs/common_fields/location)
* [User](https://help.glpi-project.org/documentation/tabs/common_fields/user)
* [Group](https://help.glpi-project.org/documentation/tabs/common_fields/group)
* [Comments](https://help.glpi-project.org/documentation/tabs/common_fields/comments)
* 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](https://help.glpi-project.org/documentation/tabs/item). You can manually add an item by selecting it from the drop-down list.

### Management

[Management](https://help.glpi-project.org/documentation/modules/configuration/general/management) of financial and administrative information, this information is visible in the 'Management' tab on the object form.

### Contracts

GLPI supports [contracts management](https://help.glpi-project.org/documentation/modules/management/contract), 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](https://help.glpi-project.org/documentation/modules/management/documents) 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](https://help.glpi-project.org/documentation/modules/tabs/notes) 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.