Avaya Application Solutions Deployment Manual page 90

Evolution from circuit-switched to IP
Consolidating remote site servers into an S8700 system requires a G700 or G350 Media
Gateway with an S8300 Local Spare Processor
S8300 as Local Spare Processor
S8300 server 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 36: S8700 / G700 / G350 system with S8300 as Local Spare Processor (LSP)
cynds142 KLC 121003
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.
90 Avaya Application Solutions IP Telephony Deployment Guide
(LSP)). In the event of a network or processor failure, the
Private
LAN
CSS / ATM
(Figure 36: S8700 / G700 / G350 system with
PSTN
LAN
TST ALM TST ALM
ACT ACT SHUT DOWN
REMOVE OK TO OK TO
SERVICES
G700/LSP
SO EI SM EM SI SI EO
TST ALM ALM TST
ACT ACT
SIG SIG
E1/T1 EIA 530A DCE EIA 530A DCE
ALM ALM ALM ALM
TST TST TST TST
ACT OK TO OK TO ACT SHUT DOWN SHUT DOWN ACT ACT
REMOVE SERVICES USB 1 USB 1 USB 2 USB 2 1 2 3 4 5 6 7 8
ALM TST ALM TST
ACT ACT
1 2 3 4 5 6 7 8
G350/LSP
ALM ALM SO EI EI SM EM SI EO
TST ACT TST ACT
SIG SIG
E1/T1 EIA 530A DCE EIA 530A DCE
ALM TST TST ALM
ACT ACT
USB 1 USB 1 USB 2 USB 2 1 2 3 4 5 6 7 8
ALM ALM
TST TST
ACT ACT
1 2 3 4 5 6 7 8