• Centralized or shared messaging system distributed
in network
• Chained call
• Class of service identification
• Class of traffic indication on line keys (local call,
external call, overflow)
• Do not disturb override
• Dynamic access to user communication resources
(PWT, voicemail, text mail, etc.)
• Entity or installation status management (day, night,
fwd1, fwd2)
• Hold
• Inquiry call
• Intrusion
• Large busy lamp field supervision
• Message waiting in networks
• Multi-tenant services
• Mutual aid between ACD groups in different nodes
with look ahead call routing.
• Number and name identification
• Overflow of unanswered external calls
• Reading of personal charging pulse meters
• Retransmission of last number dialed
• Routing and services for multi-company multi-
department services
• Station reservation
• Status management (day / night / forwarding) for
entity and attendant groups
• Text advertising message on busy user display
• Text mini-messaging
• Traffic overflow for attendant group or attendants
based on caller waiting time
• Traffic overflow with look-ahead routing
• Transfer with or without presentation
• Transparency in decade and Q 23 dialing
• Trunk allotting with or without barring
• Trunk reservation
• User, abbreviated numbers, and entities
management
• Voicemail management ntegrated in subscriber
management. ACD
ABC-R: Routing mechanism
• Adaptive routing
• Automatic Route Selection (ARS)
– 1,000 route lists
– 20,000 destinations
– 100 weekly tables
– Access to alternative routes based on caller
rights
– ARS server centralized or distributed
– ARS time dependent: day of the week, hour, and
minute of the day
– Cost limit barring per user / installation status
– Dialing command tables with add/delete digits
for number
– Direct or indirect multi-carrier access
– Five daily tables per weekly table
– Five routes per direction
– Information (voice prompt) to callers if cheapest
route is not available
– Information (voice prompt) to caller if he/she
needs permission to use a more expensive route
– One to thirty analyzed digits translation
– Up to thirty numbers in dialing command table
• Break-in
• Break-out
• Break-in via secured DISA
• Forced on net
• Homogeneous numbering plan
• IP domains
• Multiple call barring translators
• Multiple DID translators
• Multi public translators
• Multi-tenant ARS
• Overflow if leased line failure or saturation
ALCATEL 9 >
Distributed Systems and Networking
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