Specifications

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Chapter 13: Topology Network Services
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Alcatel-Lucent Enterprise Communication Solutions
April 2014 Offer
Call by name
Call distribution for decentralized and centralized attendants
Call offer
Chained call
Class of service identification
Class of traffic indication on line keys (internal call, external call, overflow)
Do not disturb override
Dynamic accesses to user call resources (DECT, voice mail, text mail, etc.)
Consultation call
Call hold
Intrusion/Barge-in
Large busy lamp field supervision
Multi-tenant services
Overflow of unanswered external calls
Retransmission of last number dialed (redial)
Routing and services for multi-company multi-department services
Station reservation
Text advertising message on busy user display
Text mini-messaging (Short Message Services)
Traffic overflow for attendant group or attendants based on caller waiting time
Transfer with or without presentation
Transparency in decadic (rotary) and Q.23 (touchtone) dialing
Trunk allocation with or without outgoing call restriction
3.2.6 Centralized, distributed, or shared voice messaging systems
The voice mail architecture can adopt different configurations:
The service can be centralized for the entire network (i.e., a single voice mail system can
support multiple networked Alcatel-Lucent OmniPCX Enterprise Communication Server
systems). This service is available using the:
o Alcatel-Lucent 4645 Voice Messaging System
o OpenTouch Message Center
o OpenTouch Multimedia Services voice messaging
Multiple voice mail systems (with a maximum 127 external voice mails) can be configured
within the network, each shared by a group of Alcatel-Lucent OmniPCX Enterprise
Communication Server platforms using the:
o Alcatel-Lucent 4645 Voice Messaging System. It is possible to network several Alcatel-
Lucent 4645 VMS through VPIM
o OpenTouch Message Center