About Cisco Unified Videoconferencing 3545 Gateway Applications and Topologies
About Conferencing via Leased Lines
The serial gateway enables conferencing between H.323 endpoints on IP networks connected via a
leased line (as shown in
Figure 1-8
H.323
endpoint
H.323
endpoint
About IP-to-Legacy MCU Conferencing
The serial gateway provides an IP-to-serial interface for communication with legacy MCU equipment
(as shown in
Figure 1-9
H.323
endpoint
H.323
endpoint
Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Release 5.5
1-12
Figure
1-8).
Conferencing via Leased Lines
IP network
V35.
DTE
DCE
Cisco
chassis/unit
with serial
gateway
Figure
1-9).
IP-to-Serial Interface Communication via Legacy MCU
IP network
V35.
DTE
DCE
Cisco
chassis/unit
V.35
with serial
gateway
Adaptor
Leased
line
Legacy MCU
V35.
V.35
Chapter 1
IP network
Adaptor
V35.
DCE
DTE
chassis/unit
with serial
gateway
IMUX
ISDN
Functionality
Cisco
OL-14912-01