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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Features and technical reference
1317Distinctive Ringing
20
Distinctive Ringing
Distinctive Ringing provides several ringing cycles to help telephone users and
attendants distinguish between incoming call types. Administer Distinctive
Audible Alerting on Feature-Related System Parameters for internal, external,
priority, and attendant originated calls.
If the phone is a single-line analog, you have to set this on the Station screen for
each user.
Detailed description
You can administer system-wide distinctive-ringing cycles for the three basic call
types. Most installations use 1-burst for internal calls, 2-burst for external calls,
and 3-burst for priority calls. There are also non-administrable ringing signals for
Automatic and Dial Intercom calls, Manual Signaling, and Redirect Notification.
Normally if an internal phone user transfers an external call, the call rings as
internal. You can set a feature parameter (Update Transferred Ringing Pattern) to
make the call ring as an external call.
Considerations
■ If Distinctive Ringing is disabled, the system generates a 1-burst repetitive
tone for all incoming calls. This is useful for equipment interfaced by
analog lines, especially if you use off-premises station.
■ A single distinctive ring cycle is used for each new incoming call to an
off-hook telephone or headset. The system alerts a CALLMASTER
terminal with a single ring cycle whenever either the headset or the handset
is plugged into the headset jack.
Interactions
■ Personalized Ringing
The called party hears the user-selected ringing pattern for the distinctive
ring cycles.
DS1 Trunk Service
Digital Signal Level 1 (DS1) trunk service uses bit-oriented signaling (BOS) and
multiplexes 24 channels (T1 service) or 32 channels (E1 service) into a single data
stream. DS1 can be used for voice or voice-grade data and for data-transmission