Lucent Technologies 8.2 Manual Do Utilizador
DEFINITY ECS Release 8.2
Administrator’s Guide
Administrator’s Guide
555-233-506
Issue 1
April 2000
Features and technical reference
1295
Call-by-Call Service Selection
20
Considerations
■
An analog telephone user must place the active call on soft hold and dial
the Answer Hold-Unhold feature access code to answer the waiting call.
the Answer Hold-Unhold feature access code to answer the waiting call.
■
If an analog single-line telephone has Call Waiting enabled and has
initiated a conference call, Call Waiting is denied. For example, caller A
(on an analog telephone) is talking to caller B, then flashes and is talking to
caller C, and then flashes to conference B and C. Then, if caller D attempts
to call caller A, Call Wait is denied.
initiated a conference call, Call Waiting is denied. For example, caller A
(on an analog telephone) is talking to caller B, then flashes and is talking to
caller C, and then flashes to conference B and C. Then, if caller D attempts
to call caller A, Call Wait is denied.
Interactions
Call Waiting is denied when the following features are activated at the single-line
telephone:
telephone:
■
Another Call Waiting Call
■
Automatic Callback (to or from the telephone)
■
Data Privacy
■
Data Restriction
A Call Waiting call cannot be picked up by a Call Pickup group member or by
directed call pick-up.
directed call pick-up.
Call-by-Call Service Selection
Call-by-Call Service Selection enables a single ISDN trunk group to carry calls to
a variety of services. It does not require that each trunk group be dedicated to a
specific service. It allows you to set up various voice and data services and
features for a particular call.
a variety of services. It does not require that each trunk group be dedicated to a
specific service. It allows you to set up various voice and data services and
features for a particular call.
Call-by-Call Service Selection provides the following benefits:
■
Cost reduction
—
Since many services share the same trunks, the total
number of trunks can be reduced.
■
Improved service
—
Features and services are less likely to be blocked.
■
Simplified Networking
—
Network engineering is simplified because
analysis of trunking needs can be done based on total traffic instead of on a
per-service basis.
per-service basis.
■
Timely response to changes — With UAPs, the network does not have to be
consulted.
consulted.
■
Measurement of Call-by-Call Service Selection calls