Ericsson 250 User Manual
Page 40
OTHER USEFUL FACILITIES
40
BusinessPhone 250 - Basic Telephone
BusinessPhone 50 - Basic Telephone
TANDEM
CONFIGURATION
(continued)
Transferring a call
between the members
of a tandem unit
Inquiry
Press and dial own directory number
Transfer
Press (pre-programmed)
or
Go on-hook
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 make 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.
Lift the handset and dial the public number of
your company
followed by the DISA number
Please ask the system administrator for the defined
DISA number.
Dial the external number
Note: 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.