AASTRA 7446ip (5446ip) for MX-ONE User Guide EN - Manual (Page 62)

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O THER U SEFUL F EATURES
SIP Phones
1) Lift the handset and wait for a dial tone.
2) Dial # 21 # and tap the Call button.
The dial tone and the follow-me indicator icon are turned off.
3) Replace the handset.
14 Other Useful Features
14.1 Account Code
An account code is a code that makes it possible to charge a call to an
account number, and to prevent unauthorized calls from the phone.
Usually the account code must be entered before the destination
number.
14.1.1 General
It is possible to set account code preferences for extensions and the
external numbers for least cost routing. There are two categories, forced
and optional account code dialing.
• Forced. The user is required to dial a valid account code
before the destination number. The call is rejected unless a
valid code has been provided.
• Optional. The user is not required to dial an account code
before the destination number. The call is accepted in either
case.
Note: An account code can be linked to ongoing calls, incoming as well
as outgoing. Previously stored account codes will then be over-
written.
14.1.2 Dialing the Account Code before a Call
To dial the account code before dialing the destination number, do the
following: