Lucent Technologies DEFINITY Business Communications System And GuestWorks Instructions Manual

DEFINITY® Business Communications System and GuestWorks® Issue 6 
Overview  555-231-208  Issue 1
April 2000
Networking Solutions 
9-9 Network interfaces and equipment 
9
nInterconnects the system with central offices such as AT&T’s 4ESS switch 
(where services such as MEGACOM and Software Defined Network can 
be accessed) and 5ESS
®-2000 switches
nInterconnects the system with private networks by connection with DS1 
facilities
nCan be used with the same Automatic Alternate Routing capabilities as...

DEFINITY® Business Communications System and GuestWorks® Issue 6 
Overview  555-231-208  Issue 1
April 2000
Networking Solutions 
9-10 ISDN 
9
ISDN
The system provides a complete set of ISDN features. Demonstrating its role as a 
leader in making ISDN a universal reality, Lucent Technologies makes it possible 
for anyone connected to the system to benefit from ISDN capabilities and 
features.
ISDN eliminates the need for multiple, separate access arrangements for voice, 
data, facsimile, and video...

DEFINITY® Business Communications System and GuestWorks® Issue 6 
Overview  555-231-208  Issue 1
April 2000
Networking Solutions 
9-11 ISDN 
9
PRI, referred to as 23B + D or 30B + D on an E1 interface, uses 23 or 30 64 kbps 
B channels and one 64 kbps D channel. The 23 or 30 B channels can be used 
for 23 or 30 individual voice or data calls. BRI, referred to as 2B + D, uses two 64 
kbps B channels and one 16 kbps D channel. The B channels give the user simul-
taneous voice and data transmission over the...

DEFINITY® Business Communications System and GuestWorks® Issue 6 
Overview  555-231-208  Issue 1
April 2000
Networking Solutions 
9-12 ISDN 
9
 
Figure 9-1. DEFINITY BCS/GuestWorks and ISDN1) DEFINITY BCS/GuestWorks 6) Private ISDN
2) DEFINITY BCS/GuestWorks 7) Public ISDN
3) DEFINITY BCS/GuestWorks 8) Public and Private Networks
4) Basic Rate Interface Telephone 9) Central Office Switch
5) Passive Bus 10) Tandem Switch 

DEFINITY® Business Communications System and GuestWorks® Issue 6 
Overview  555-231-208  Issue 1
April 2000
Networking Solutions 
9-13 ISDN 
9
The system also adds the following capabilities to the basic ISDN services, 
depending on local availability of support.
nCall-by-Call Service Selection, in addition to the services provided by this 
feature on the network, allows each trunk in a PRI link from your system to 
the local central office to be designated on a per-call basis as Direct Inward 
Dial,...

DEFINITY® Business Communications System and GuestWorks® Issue 6 
Overview  555-231-208  Issue 1
April 2000
Networking Solutions 
9-14 IP Trunks 
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IP Trunks
IP trunks allow you to route voice and fax calls over Internet Protocol (IP) 
networks such as the Internet and private intranets, reducing long-distance 
charges and giving you added flexibility in routing traffic between sites. Both the 
originating and destination switches must have the DEFINITY Internet Protocol 
Trunk (DEFINITY IP Trunk)...

DEFINITY® Business Communications System and GuestWorks® Issue 6 
Overview  555-231-208  Issue 1
April 2000
Networking Solutions 
9-15 Electronic Tandem Network 
9
In an Electronic Tandem Network, the system provides a variety of features on a 
network-wide basis. Here are a few examples:
nUniform Dial Plan — A unique four- or five-digit number assigned to each 
station on the network. Uniform numbering gives each station a unique 
number (location code plus extension) that can be used at any location in...

DEFINITY® Business Communications System and GuestWorks® Issue 6 
Overview  555-231-208  Issue 1
April 2000
Networking Solutions 
9-16 Electronic Tandem Network 
9 

Voice Messaging Solutions 
10-1 Overview 
10
DEFINITY® Business Communications System and GuestWorks® Issue 6 
Overview  555-231-208  Issue 1
April 2000
10
Voice Messaging Solutions
Overview
Less than 30 percent of person-to-person business calls reach the intended party 
on the first attempt. Integration with Lucent Technologies voice messaging 
products can help ensure that important calls are not lost.
For nearly a decade, the Lucent Technologies voice messaging systems have 
provided businesses with...

DEFINITY® Business Communications System and GuestWorks® Issue 6 
Overview  555-231-208  Issue 1
April 2000
Voice Messaging Solutions 
10-2 DEFINITY AUDIX messaging system 
10
DEFINITY AUDIX messaging system
While many voice messaging systems require separate equipment and 
connections, the DEFINITY AUDIX Release 4.0 system easily installs directly into 
a DEFINITY BCS cabinet to support advanced multimedia voice messaging 
capabilities without the need for an adjunct processor.
The DEFINITY AUDIX system...