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83BusinessPhone – Cordless DT590
Other Useful Features
Account Number
An account number can be entered to debit telephone costs 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 pre-requisites 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.
• Own account numbers contain up to 15 digits.
The account numbers can also be used via the DISA function, see
section “Direct Inward System Access (DISA)” on page 84.
Verified or own account number
Before an outgoing call:
*9* Press.
¿#ÜÛ Enter account number and press.
Valid digits 0-9. Internal dial tone. Make the external call.