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DIRECT INWARD DIALING (DID)
NEAX2000 IVS
2
Business/Hotel/Data Features and Specifications
NDA-24271, Issue 1.0
Page 141
DIRECT INWARD DIALING (DID)
General Description
This feature provides for incoming calls from the exchange network (except FX or WATS) to reach any station
within the system without attendant assistance.
Station Application
Not applicable.
Operating Procedure
The calling party outside the system dials the appropriate telephone number. The call will ring directly at the
called station, bypassing the attendant.
Service Conditions
1. This feature is normally used when direct in service is desired on an extension or system-wide basis.
2. DID must be provided by the serving C.O.; however, not all telephone company C.O. are capable of pro-
viding this service.
3. One of the following control signaling methods can be used on incoming DID trunks: immediate start, delay
start and wink start.
4. Dual-Tone, Multi-Frequency (DTMF) or rotary dial signaling is available. This is assigned on a trunk route
basis.
5. Calls to invalid numbers can be routed to an Attendant, a predesignated station, or to a recorded announce-
ment.
6. When a station has activated Call Forwarding (all types), the DID call will be forwarded to the designated
station rather than to the specific station dialed.
7. If the called station is assigned as a pilot in Station Hunting and is busy, the call follows the preset hunting
pattern.
8. On an incoming call to a busy station, the Call Forwarding feature takes precedence over the Station Hunting
feature. If the Call Forwarding feature and the Station Hunting feature are not activated, the caller will re-
ceive busy tone or will reroute to the Attendant Console, predesignated station, or recorded announcement
depending on the assignment in system programming.
9. Stations in Do Not Disturb will be provided with visual indication but no audible indication. Secondary ap-
pearances will ring when assigned. The calling party will receive ring back tone until answered.
10. An incoming Listed Directory Number (LDN) received from a DID line can be displayed on the LCD of a
Multiline Terminal or an Attendant Console. This system data is assigned on a trunk route basis.
11. The DID incoming LDN display is one digit to four digits.