
Chapter 1 Functionality
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
Figure | Conferencing via Leased Lines |
|
|
|
| |
H.323 |
|
|
|
|
|
|
endpoint |
|
|
|
|
|
|
| IP network |
|
|
| IP network |
|
|
| Adaptor |
| Adaptor |
|
|
|
| V35. | Leased | V35. |
|
|
H.323 | DTE | DCE | line | DCE | DTE |
|
Cisco |
|
|
| Cisco |
| |
endpoint |
|
|
|
| ||
| chassis/unit |
|
|
| chassis/unit |
|
| with serial |
|
|
| with serial | 157170 |
| gateway |
|
|
| gateway | |
|
|
|
|
|
About IP-to-Legacy MCU Conferencing
The serial gateway provides an
Figure |
H.323 |
endpoint |
H.323 |
endpoint |
IP-to-Serial Interface Communication via Legacy MCU
IP network |
|
|
|
| Legacy MCU |
| |
|
|
| IMUX |
V35. |
| V35. | ISDN |
DTE | DCE |
| |
|
| ||
Cisco |
|
|
|
chassis/unit | V.35 | V.35 |
|
with serial |
|
|
|
gateway |
|
|
|
157171
| Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Release 5.5 |