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38 Avaya Application Solutions IP Telephony Deployment Guide
Multiple G700 Media Gateways can be connected to each other through an Octaplane 8-Gbps
stacking fabric, and Avaya P330 Expansion Modules, which allows adding additional Ethernet
ports, fiber interfaces, ATM access or WAN access modules without additional switches. The
system can be networked to other PBXs and Communication Manager platforms through an IP
network.
Some of the key characteristics of this platform are
● Expert System Diagnostic Capability
● Hot-swappable Media Modules
● Co-resident INTUITY AUDIX messaging.
The platform is scalable, and has survivability and redundancy capability through a Local
Survivable Processor (LSP), which supports all of the features of Communication Manager.
Figure 6: Avaya S8300/G700, G450, G350, or G250 in a stand-alone configuration
G700 hardware architecture
The design of the Media Gateway motherboard hardware brings together a multitude of
hardware functions into a single 2U 19-inch rack-mountable enclosure. Integrated on the
motherboard are:
● A gateway function that bridges the IP and telephony domains
● An Ethernet switching function and associated management features through an
integrated Layer 2 switch architecture
● Processing elements that are necessary to support traditional telephony interfaces, such
as trunks and analog/DCP lines
Avaya IP PBX
( S8300, S8700)
cynds110 LAO 101104
IP WAN
ALM
TST
ACT
ALM
TST
ACT
12 34 56 87
ALM
TST
ACT
ALM
TST
ACT
12 34 56 87
REMOVE
ALM
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ACT
OKTO
ALM
TST
ACT
OKTO
SHUTDOWN
SERVICES
USB1
USB1
USB2
USB2
E1/T1
E1/T1
EIA 530A DCE
EIA 530A DCE
ALM
TST
ACT
SIG
ALM
TST
ACT
SIG
EISO EMSM EOSI
IP
Phone
PC
IP
Phone
PSTN
ALM
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ACT
ALM
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ACT
12 34 56 87
ALM
TST
ACT
ALM
TST
ACT
12 34 56 87
REMOVE
ALM
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ACT
OKTO
ALM
TST
ACT
OKTO
SHUTDOWN
SERVICES
USB1
USB1
USB2
USB2
E1/T1 EIA 530A DCE
ALM
TST
ACT
SIG
ALM
TST
ACT
SIG
EISO EMSM EOSI
ALM
TST
ACT
ALM
TST
ACT
12 34 56 87
ALM
TST
ACT
ALM
TST
ACT
12 34 56 87
REMOVE
REMOVE
ALM
TST
ACT
OKTO
ALM
TST
ACT
OKTO
SHUTDOWN
SHUTDOWN
SERVICES
SERVICES
USB1
USB1
USB2
USB2
E1/T1
EIA 530A DCE
EIA 530A DCE
ALM
TST
ACT
SIG
ALM
TST
ACT
SIG
EISO EMSM EOSI
Ethernet (LAN)Ethernet
Edge
Router
DCPFax
G700/G350
G700/G350
with S8300/ICC
Edge
Router
IP TIE Trunk
ISDN-PRIISDN-PRI
Stand alone Office
with IPTrunk link
to Avaya PBXs
G700/G350