Features
ISDN Outgoing Calling
56 Strata DK Digital Telephone 10/01
ISDN Outgoing Calling
This feature enables you to make outgoing call using an Integrated Services Digital
Network (ISDN) trunk, provided that you are connected to a Strata DK424i, DK424
with software Release 4.0 or higher, or DK40i, and that you subscribe to ISDN lines.
ISDN trunks offer faster call connection setup, and they also provi de more conn ectio n
circuits.
Making an ISDN outgoing call will either be handled automatically with a timer or by
you initiating the ISDN “Start” sequence. The method depends on your system’s
programming. See your System Administrator to determine the method.
➤To make an outgoing call to an ISDN trunk

Subaddress

Subaddress digits may be required for dialing another department, or to send a call to
equipment, such as a printer. If you need to enter subaddress digits, follow these
instructions:
➤To make an outgoing call with a subaddress to an ISDN trunk
1. Access an outside CO
line
2. Dial the number.
3. Press 6WDUW.The dialed digits will not be sent until you press this
button or until the timer expires.
1. Access an outside CO
line
2. Dial the number.
3. Press 6XE.The 6XE button informs the system that the following
digits are the subaddress.
4. Enter the subaddress.
5. Press 6WDUW.The dialed digits will not be sent until you press this
button or until the timer expires.