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Evolution from circuit-switched to IP
124 Avaya Application Solutions IP Telephony Deployment Guide
Consolidating remote site servers into an S8700 system requires a G700 or G350 Media
Gateway with the option of Local Survivable Processors (LSP) (Figure 46:
S8700 / G700 /
G350 system with Local Survivable Processors). The LSP can be an S8300 or S8500 Server. In
the event of a network or processor failure, the LSP takes over active call processing and
gateway and endpoint management for the remote site, allowing continued operation with no
loss of features until the outage is repaired.
Figure 46: S8700 / G700 / G350 system with Local Survivable Processors
Because the G700 and G350 rely on IP Telephony technology, this option is especially
attractive to customers who decide to use a majority of IP endpoints at the remote site. This
solution will, however, continue to support analog endpoints and DCP endpoints. Analog trunks
and ISDN trunks are also supported. To decrease operational expenses, the circuit-switched
trunks back to the main site can be replaced with IP trunks.
cynds142 KLC 121003
CSS / ATM
G700/LSP
G350/LSP
PSTN
LAN
Private
LAN
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REMOVE
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EIA 530A DCE
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EIA 530A DCE
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