Introduction
Headquarters
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| PC | |
H.323 | Application | Softswitch | PC | PC | |
Gatekeeper | Server | NMS | |||
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IP Phone
PSTN | |||
Gateway | |||
|
|
IP Phone | IP Phone |
Aggregation Router
IP
PSTNPSTN
Network
T-1/E-1 NxT-1/E-1
Branch Office |
| Aggregation | Company B |
|
| Router |
|
| 4300T |
| |
| H.323 |
| |
Gateway | H.323 | Endpoint |
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|
| Gateway | |
|
|
| |
|
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| PC |
IP Phone | Laptop |
| IP Phone |
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|
EM016
The
•Functional features
•Hardware features
•Management features
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