> ## Documentation Index
> Fetch the complete documentation index at: https://docs.abbyy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Phone hypothesis

> Properties of a Phone hypothesis in an Extraction Rules activity — detected telephone Number, Keyword, and Keyword rectangle coordinates.

When a hypothesis is formulated, only text objects detected during pre-recognition and that are of a format that corresponds to the Phone element are considered.

## Phone hypothesis properties

A formulated Phone hypothesis has the following type-specific properties (in addition to the general ones):

| Property     | Description                               |
| :----------- | :---------------------------------------- |
| Number       | The detected telephone number.            |
| Keyword      | The keyword for the telephone number.     |
| Keyword rect | The coordinates of the keyword rectangle. |