2 • Applications overview | Model 4520 & 4110 Series Getting Started Guide |
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Application—Analog line extension over IP
A virtual analog line can be created using an FXO and FXS model (see figure 9). The complete signaling and media (voice, fax, or modem) of the analog phone line is extended over IP. This enables a PBX analog extension line to be extended to a home office or satellite office. The analog line extension relays DTMF,
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| Router |
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| GatewayDevice |
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| VoIP Access |
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| Integrated |
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| 4524 | |
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| SmartNode |
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| ToIP |
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| 0/2 | 0/3 |
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| 0/1 |
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| Activity | 0/0 |
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| Link | 100M |
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Link | Link | 100M |
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VoIP |
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Power Run |
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| GatewayDevice |
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| VoIP Access |
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| Integrated |
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| 4524 | |
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| SmartNode |
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| ToIP |
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| 0/2 | 0/3 |
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| Activity | 0/0 |
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| Link | 100M |
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Link | Link | 100M |
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VoIP |
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Power Run |
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| Router |
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| GatewayDevice |
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| VoIP Access |
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| Integrated |
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| 4524 | |
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| SmartNode |
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| ToIP |
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| 0/2 | 0/3 |
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| Activity | 0/0 | 0/1 |
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| Link | 100M |
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Link | Link | 100M |
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VoIP |
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Power Run |
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Figure 9. Analog line extension
Application—ITSP dial-in access
An ITSP can use the SmartNode FXO gateways as
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| Router |
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| GatewayDevice |
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| VoIP Access |
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| Integrated |
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| 4524 | |
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| SmartNode |
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| ToIP |
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| 0/2 | 0/3 |
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| Activity | 0/0 | 0/1 |
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| Link | 100M |
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Link | Link | 100M |
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VoIP |
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Power Run |
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| Router |
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| GatewayDevice |
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| VoIP Access |
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| Integrated |
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| 4524 | |
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| SmartNode |
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| ToIP |
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| 0/2 | 0/3 |
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| Activity | 0/0 | 0/1 |
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| Link | 100M |
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| Activity |
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Link | Link | 100M |
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VoIP |
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Power Run |
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Figure 10. ITSP dial-in access
28 | Applications for SmartNode 4110 Series |