Lucent Technologies DEFINITY Enterprise Communications Server Release 8.2 Instructions Manual

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1.1
June 2000
Features and technical reference 
1417 ISDN service 
20
nDistributed Communications System
If both DCS and ISDN features are provided over the same facility with a 
DEFINITY ECS, DCS displays generally override ISDN displays. 
However, with DEFINITY ECS, the ISDN connected name and number 
can override the DCS called name and number if the Display Connected 
Name/Number for ISDN DCS Calls field is y on the Feature-Related...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1.1
June 2000
Features and technical reference 
1418 Leave Word Calling 
20
nWideband Switching (NxDS0)
DEFINITY ECS does not support wideband switching on BRI 
connections.
Related topics
Refer to Administered Connections ‘‘
Administered Connections’’ on page 1144 
for detailed information on this feature.
Refer to ‘‘
Call-by-Call Service Selection’’ on page 1305 for detailed information 
on this feature.
Refer to DEFINITY ECS...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1.1
June 2000
Features and technical reference 
1419 Leave Word Calling 
20
The system can indicate that one telephone received a LWC message on a second 
telephone. The system lights a remote Automatic Message Waiting lamp at the 
remote telephone and the Automatic Message Waiting lamp lights at the called 
telephone. The Remote Automatic Message Waiting lamp is a status lamp 
associated with a button assigned for this purpose. Thus, an...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1.1
June 2000
Features and technical reference 
1420 Line Lockout 
20
nCall Coverage
You can use LWC with or without Call Coverage. However, the two 
features complement each other. The Coverage Callback option of Call 
Coverage is provided by LWC. Also, a caller can activate LWC for the 
called party even if the call has been answered by a covering user.
nCentralized Attendant Service
LWC Message Retrieval does not work with CAS....

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1.1
June 2000
Features and technical reference 
1421 Listed Directory Numbers 
20
Line Lockout occurs when:
nA user does not hang up after the other party on a call is disconnected.
The user receives the dial tone for 10 seconds and then receives the 
intercept tone for the length of time administered in Line Intercept Tone 
Timer on the Feature-Related System Parameters screen. If the handset 
remains off-hook, the telephone is taken out...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1.1
June 2000
Features and technical reference 
1422 Listed Directory Numbers 
20
How the system routes incoming DID trunk 
calls to the attendant group
Incoming DID calls route only to an extension. The LDN feature allows you to 
assign one or more extensions to an attendant group. The system uses the LDN 
extension, or extensions, to route calls to an attendant group.
How the system routes incoming FX and CO 
trunk calls to the...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1.1
June 2000
Features and technical reference 
1423 Look-Ahead routing 
20
Look-Ahead routing
Look-Ahead Routing (LAR) allows the switch to reroute an outgoing ISDN call 
that is not completing. The switch attempts to complete the call along a different 
routing preference, or it tries the current routing preference a second time. If the 
current preference fails twice, the next routing preference is tried.
LAR can be administered at an...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1.1
June 2000
Features and technical reference 
1424 Look-Ahead routing 
20
NOTE:
When country code 13, protocol version a, is administered on the DS1 
Circuit Pack screen, only the cause values #10 and #89 activate LAR.
LAR terminates when:
ncall is successfully routed
ncall is rejected with a non-LAR-triggering cause value
nno further route preference can be used to route the call
LAR measurement
You can measure the number of attempted...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1.1
June 2000
Features and technical reference 
1425 Loss Plans 
20
nRingback Queuing
When a call originates and queues at the trunk group queue, the call can be 
placed in queue multiple times if LAR is active. The call originator can be 
called back each time the call is continued automatically.
nSatellite Hop Limit
Satellite Hop Limit always takes precedence over LAR. When the 
maximum hop limit is reached for a route preference, the...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1.1
June 2000
Features and technical reference 
1426 Loudspeaker paging 
20
The 2 Party Loss Plan page of the System Parameters Country-Options screen 
allows you to set the gain or loss levels (in dB) between two parties on a call. Each 
row on this screen is considered a different loss group. You can assign a loss 
group to a particular phone or trunk by administering a value for the Loss Group 
fields on the Station
 and Trunk Group...