![](/images/new-backgrounds/1195279/19527915x1.webp)
User Guide V2IU 6400-S Converged Network Appliance
The
Service Provider
PSTN | ISDN, |
PSTN Network |
H.323 |
|
|
|
Gatekeeper | NMS | Softswitch Gateway | MCU |
|
|
|
| |
|
| Aggregation Router |
| |
Hotspot |
|
|
|
|
NAT/Firewall | Public IP |
|
| PSTN |
| Network |
|
| |
|
|
|
| |
SIP Voice |
|
|
|
|
User |
|
|
|
|
| ||||
Company A | Aggregation | Company B | ||
|
| Router |
|
|
4300T |
|
|
| |
| H.323 Video |
|
| |
|
|
|
| |
|
| Endpoint |
|
|
|
|
|
| Gateway |
V500 |
| IP |
| H.323 Video |
Laptop |
| Phone | Endpoint | |
IP |
|
|
|
Phone
EM015A
1 - 2