The building blocks of a SmartVoice VoIP Gateway
Integration into a LAN/WAN
WAN Internet
Frame Relay
A SmartVoice gateway works with all popular transmission technologies including Cable/DSL, Frame Relay and FDDI (Fibre). Within a data network environment, your SmartVoice gateway sits behind a modem/router, and your firewall needs to be “VoIP aware”.
Router/Firewall
FDDI
The SmartVoice Gateway operates in two modes:
Router Mode (default): the LAN and WAN are on different subnets and Network Address Translation (NAT) occurs twice through the SmartVoice gateway and the router.
Bridge Mode: if speed is an issue for remote users, bridge mode can be used where devices are treated as though connected directly to the router/switch.
WAN LAN | FXO | FXS |
Toll Bypass
Branch Office
PSTN
One of the key applications for a SmartVoice Gateway is toll bypass – ideal for a business with offices in multiple cities. For example, a business has their head office in Sydney and branch offices in Brisbane and Melbourne
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| Application 1 – |
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| The offices can ring each other for free over the VPN and eliminate long |
Router |
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| distance charges for everyday communication |
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| Application 2 – Long distance calling to external numbers |
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| The Brisbane office wants to call an external phone number in Melbourne – the |
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| call is routed to the Melbourne SmartVoice gateway over the VPN and then |
WAN | LAN | FXS | FXO |
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Remote User Solution |
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| A SmartVoice Gateway allows your business to move beyond the boundaries |
ITSP Account |
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| PSTN | of a single location and gives remote staff such as teleworkers or mobile sales |
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| reps access to your office’s Internet Telephony Service. | ||
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| A user simply calls in via a mobile phone or standard PSTN phone to an FXO |
Router |
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| port on the SmartVoice Gateway. After entering the security password, you can |
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| pick up the |
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| or international phone numbers. |
WAN | LAN | FXS | FXO |
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Integration with an Analogue PBX
Handsets
PSTN | Toll Bypass | |
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PBX
ITSP Account
PSTN
A business with an existing analogue PBX can use a SmartVoice Gateway to add Internet Telephony services to the phone system without the need to replace any equipment. The SmartVoice unit simply integrates with the PBX and acts as a “gateway” for routing calls from a phone extension through to an Internet Telephony Service Provider. This provides your business with the ability to make calls through either a regular telephone service (PSTN) or an Internet Telephony service. Most importantly, the business retains all of its phone functions managed by the PBX and is transparent to all users.
WAN LAN | FXS | FXO |
