Phone numbers (for PBX connection)
Account
Select the account to be displayed/configured.
PBX base number
The PBX base number assigned to the account. The telephone number must be entered without the area code. The area code used depends on the location of the account.
Extensions block
The Direct Dial In assigned to the account.
Number presentation
The phone number (entry of a DDI from the extensions block) to be presented for this account.