Lucent Technologies DEFINITY Enterprise Communication Server Release 8.2 Administrators Guide

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1557 Transfer — Outgoing Trunk to Outgoing Trunk 
20
Related topics
n‘‘Feature-Related System Parameters’’ on page 632
— Music on Transferred Trunk Calls field
— Intercept Treatment on Failed Trunk Transfers field
— Abort Transfer
— Transfer Upon Hang-Up
n‘‘Class of Restriction’’ on page 520
— Block Transfer Display field
Transfer — Outgoing Trunk to
Outgoing Trunk
Outgoing Trunk to Outgoing...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1558 Transfer — Outgoing Trunk to Outgoing Trunk 
20
DCS networks provide a similar but more restrictive version of this feature, called 
DCS Trunk Turnaround, which permits two outgoing trunks to be connected when 
the switch at the remote end of one of the trunks agrees to turn around the logical 
direction of the trunk. DCS trunk turnaround is permitted, when some other party 
involved in...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1559 Transfer — Outgoing Trunk to Outgoing Trunk 
20
Interactions
nDCS Trunk Turnaround
OTTOTT increases the set of cases in which DCS Trunk Turnaround may 
be accepted. However, use of OTTOTT in combination with a DCS 
network is strongly discouraged. The following algorithm describes the 
DCS Trunk Turnaround request process.
a. If any party on the call receives a local-dial, busy,...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1560 Transfer — Trunk-to-Trunk 
20
nRelease Link Trunks
RLTs are used by Centralized Attendant Service (CAS). An outgoing RLT 
at a remote branch is used to access an attendant at the main. The attendant 
at the main can transfer the incoming caller to a station or trunk at the 
branch. The RLT is typically used only for a short period of time and is 
usually idled after the transfer is...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1561 Transfer — Trunk-to-Trunk 
20
To administer Trunk-to-Trunk Transfer system-wide, complete the 
Feature-Related System Parameters screen. To restrict Trunk-to-Trunk Transfer 
on a trunk-group basis, assign COR-to-COR calling-party restrictions on the Class 
of Restriction (COR) screen. To allow individual users to control Trunk-to-Trunk 
Transfers, assign capabilities on the Class of...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1562 Trunk Flash 
20
nTenant Partitioning
Station control of Trunk-to-Trunk Transfer is prohibited between trunks in 
different tenant partitions if those partitions are restricted.
Trunk Flash
Trunk Flash allows a feature or function button on a multifunction telephone or 
attendant console to be assigned as a Flash button. Pressing this button while 
connected to a trunk (which must have...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1563 Trunk Flash 
20
If the trunk group is a DS1 trunk in Italy, the Trunk Flash feature applies only to 
outgoing calls.
If the trunk is not directly connected to the far end or CO providing the 
customized services, use of the Trunk Flash signal may cause the call to be 
disconnected by the far end or CO.
Calls made after the Flash are not recorded in Call Detail Recording (CDR) 
records....

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1564 Trunks and Trunk Groups 
20
nIn a call involving more than one telephone, one of the telephones may 
press the Flash button, and another telephone may dial the phone number. 
The telephone that dials the phone number is not required to have a Flash 
button.
nIf the far-end/CO does not support custom services, the call may be 
dropped by the far-end/CO on sending the flash signal or the...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1565 Trunks and Trunk Groups 
20
CAMA — Centralized Automatic Message 
Accounting (E911)
CAMA trunks route emergency calls to the local community’s Enhanced 911 
systems and provide Caller’s Emergency Service Identification (CESID) 
information to the system. Public Service Answering Points (PSAP) use CAMA 
trunks to determine the caller’s physical address.
NOTE:
Lucent does not recommend...

DEFINITY ECS Release 8.2
Administrator’s Guide  555-233-506  Issue 1
April 2000
Features and technical reference 
1566 Trunks and Trunk Groups 
20
without attendant assistance. CO trunks typically connect your switch to the local 
central office, but they can also connect adjuncts such as external paging systems 
and data modules.
CPE — Customer-Provided Equipment
Use CPE trunks to connect adjuncts, such as paging systems and announcement or 
music sources, to the switch.
NOTE:
You can connect some types...