LifeSize Gateway-PRI, User Manual

Page: 23 / 196

Functionality 15
About LifeSize Gateway Applications and Topologies
A
BOUT
C
ONFERENCING
VIA
L
EASED
L
INES
The Gateway-Serial enables conferencing between H.323 endpoints on IP
networks connected via a leased line (as shown in
Figure 1-8 ).
Figure 1-8 Conferencing via Leased Lines
A
BOUT
IP-
TO
-L
EGACY
MCU C
ONFERENCING
The Gateway-Serial provides an IP-to-serial interface for communication with
legacy MCU equipment (as shown in
Figure 1-9 ).
Figure 1-9 IP-to-Serial Interface Communication via Legacy MCU
V.35
adaptor adaptor
leased
line
LifeSize Gateway - Serial
IP network
H.323
endpoint
H.323
endpoint
H.323
endpoint
H.323
endpoint
DTE
V.35
DCE DTE
LifeSize Gateway - Serial
IP network
DCE
DTE
ISDN
ISDN
V.35
l a t i g i d
IMUX
V.35
V.35 V.35
legacy MCU
LifeSize Gateway - Serial
IP network
H.323
endpoint
H.323
endpoint
H.323
endpoint
H.323
endpoint
DCE