User`s guide

OTHER USEFUL FACILITIES
49
BusinessPhone 250 / BusinessPhone 50
Portable DT310 / DT360 / DT368
DIRECT INWARD
SYSTEM ACCESS
(DISA) If you are working externally and you have the need to make
business calls, call your company and use the company PBX
to build up an external call to the desired party.
You just pay the costs for the phone call to your company.
The other costs will automatically be placed on your
extension number or on a special project.
Go ”off hook” and dial the public number of your
company
followed by the DISA number
Please ask the system administrator for the defined DISA number.
During the procedure you will be prompted for your
personal code. Which code to use and how to change it,
see section ”Select Personal Code”.
See last page for a card to remember these specific numbers.