6. Using Additional Features
74 ICX (International), issued March 1999 ICX-35-750
Figure 19. Example Directory Number assignments for Extension 200
When a caller originates a call, the call appears on the first available PDN key. If all
PDNs are unavailable, the call will select the INT LED.
When calls come in to a DN, the call appears on the first available DN key. If the
call is to your PDN and no PDN key is available, the call appears on the INT LED.
Directory numbers may be assigned to FF keys 25-32. These are non-appearing
keys.
Intercom voice calls only go to the PDN extension but light the corresponding
NPDN keys red. A tone call follows the appropriate ring status (immediate ring,
delayed ring, etc.) for any extension.
1. Lift the handset or press the ON/OFF key.
2. If dialing an outside call, dial the outside line group access code (9 [UK/HK], 0
[Taiwan, Indonesia, Malaysia], or 81-84).
3. Dial the phone number or extension number.
To originate a call