# Routing Settings

The **Routing** page lets you choose how phone.systems(TM) handles long and short
numbers dialed by users. Long numbers can be routed within phone.systems(TM)
before an outbound call is attempted, while short numbers that are not
configured internally can optionally be sent outbound.

These settings are useful when users dial both internal and
external numbers. Routing long numbers within phone.systems(TM) prevents them
from being sent outbound when they are intended for an internal number.
Outbound fallback allows valid short external numbers to be called when they
are not configured internally. Keep the fallback disabled if short numbers are
used only for internal extensions, so that mistyped extensions are not sent
outbound.

Use the [Dial Plan](../Numbers/dial-plan.html#ps3-dial-plan) to choose where phone numbers and
internal numbers are routed. The settings on this page do not add or remove
Dial Plan entries. They control when the Dial Plan is used and when a call is
sent outbound.

[![Routing page with settings for long numbers and outbound fallback for short numbers](../../_images/routing-settings.webp)](../../_images/routing-settings.webp)


**Fig. 1.** Routing settings.

## Enable routing for long numbers

This setting controls whether phone.systems(TM) checks long numbers (more than 4 digits) in the Dial
Plan before sending calls outbound.

- **Enabled**: phone.systems(TM) checks whether the dialed number has a Dial Plan
  entry. If no entry is found, the call is sent
  outbound.
- **Disabled**: long numbers are sent outbound without checking the Dial Plan.

[![Enable routing for long numbers setting](../../_images/routing-settings-long-numbers.webp)](../../_images/routing-settings-long-numbers.webp)


**Fig. 2.** Enable routing for long numbers.

## Fall back to outbound for short numbers not found in routing table

This setting controls whether a number containing four digits or fewer is sent
outbound when it does not have a Dial Plan entry.

- **Enabled**: unmatched short numbers are sent outbound.
- **Disabled**: unmatched short numbers are not sent outbound.

[![Fall back to outbound for short numbers setting](../../_images/routing-settings-fall-back.webp)](../../_images/routing-settings-fall-back.webp)


**Fig. 3.** Enable outbound fallback for short numbers.

## Enable or Disable Routing Settings

To enable or disable the Routing settings:

1. Go to **Settings** in phone.systems(TM).
2. Open the **Routing** tab.
3. Turn the required setting on or off.
4. Click **Save** to apply the changes.

[![Steps to open and update Routing settings](../../_images/routing-settings-update.webp)](../../_images/routing-settings-update.webp)


**Fig. 4.** Enable or disable Routing settings.

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