Groundwire Number Rewrite

Click Settings.

Choose Accounts.

Click the i logo next to the account.

Choose Advanced Settings.

Scroll down and click on Number Rewriting.

Click the + to create a new rule.

Click the + to create a Condition.

Choose Starts with, then enter +44

Now choose the + next to actions.

Choose replace with and enter 0

The rule should look like this.