BusinessPhone – Dialog 4223 Professional / Dialog 3213
Other Useful Features

## Account Number

An Account Number can be entered to debit telephone cost to different accounts. Depending on the system configuration the Account Number has to be entered from a Verified Account Number List (predefined) or you can invent your own Account Number. The following prerequisites apply:

- With the Verified Account Number you can restrict the making of external calls (not a specific number or area), so everyone who is allowed to make external calls will receive an Account Number which has to be used each time he/she wants to make an external call.
- Verified Account Numbers contain up to 10 digits and can only be used before you make a call (outgoing external calls).
- Own Account Numbers contain up to 15 digits and can be used before or during the call (outgoing external calls).

The Account Numbers can also be used via the DISA function, see section Direct Inward System Access (DISA).

#### Verified or own Account Number

Dial.

This code cannot be entered during the call.

Or:

Account Number

Press (pre-programmed).

Enter Account Number and press.

Valid digits 0-9.

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