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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Features and technical reference
1601World-Class Tone Detection and Generation
20
■ Facility and Non-Facility Associated Signaling
FAS and NFAS with or without D-Channel Backup requires administration
via signaling groups for trunk-side wideband interfaces.
■ Facility Busy Indication
You can administer a busy-indicator button for a wideband-endpoint
extension, but the button does not accurately track endpoint status.
■ Facility Test Calls
Use Facility Test Calls to perform loop-back testing of the wideband call
facility.
■ Generalized Route Selection
GRS supports wideband BCC to identify wideband calls. GRS searches a
route pattern for a preference that has wideband BCC. Route preferences
that support wideband BCC also support other BCCs to allow different call
types to share the same trunk group.
■ CO Trunk (TTC - Japan) Circuit Pack
The CO Trunk (TTC - Japan) circuit pack cannot perform wideband
switching. No member of the circuit pack should be a member of a
wideband group.
World-Class Tone Detection and
Generation
World-Class Tone Detection allows DEFINITY ECS to identify and handle
different types of call-progress tones. The tone detector and identification is used
to display on Data Terminal Dialing and for deciding when to send digits on trunk
calls through Abbreviated Dialing, ARS, AAR, and Data Terminal Dialing.
World-Class Tone Generation allows you to define call-progress tones. You can
select values for frequency and cadence. If you do not define a call-progress tone,
DEFINITY ECS sends silence. Brief call-waiting tones are optimal because,
while a tone is sounding, speech cannot be heard.
A Lucent representative must administer tone detection and tone generation when
establishing country-specific system parameters.