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D-Link DVX-1000 User Manual

Section ² - Configuration

Stacking Multiple DVXs

A single DVX-1000 can support up to 25 extensions. More extensions can be supported by cascading DVXs. Gateways

and ITSP accounts can be shared seamlessly across DVXs. An example configuration for setting up two DVXs to

support 50 extensions is shown below.

A sample deployment scenario is shown above, DVX1 has extensions 100 to 124 added to it and DVX2 has extensions

200 to 224 added to it, In addition there is a PSTN gateway and an INET gateway connected to DVX1. A PSTN gateway

is a device used to connect to the traditional PSTN (POTS) network such as a trunk gateway. The INET gateway can

be any SIP based VoIP server connection, such as an ITSP VoIP account.

The following are the requirements for the scenario depicted above:

1. Any extension registered to DVX1 (100 - 124) should be able to call any other extension registered to DVX1 or DVX2

(200 - 224), by dialing the extension number. i.e. 111 should be able to call 211 by dialing 211.

2. Any extension registered to DVX1 (100 - 124) should be able to call any phone number on the PSTN network through

the PSTN gateway by prefixing 3 to the phone number. i.e. 101 should be able to call 140 by dialing 3140.

100

124

200

224

STACKING

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D-Link DVX-1000 User Manual

Section ² - Configuration

3. Any extension registered to DVX1 (100 - 124) should be able to call any extension or account through the INET

gateway by prefixing 4 to the phone number. i.e. 101 should be able to call XXX by calling 4XXX.

4. Any extension registered to DVX2 (200 - 224) should be able to call any other extension registered to DVX2 or DVX1

(100 - 124), by dialing the extension number. i.e. 211 should be able to call 111 by dialing 111.

5. Any extension registered to DVX2 (200 - 224) should be able to call any phone number on the PSTN network through

the PSTN gateway by prefixing 3 to the phone number. i.e. 201 should be able to call 140 by dialing 3140.

6. Any extension registered to DVX2 (200 - 224) should be able to call any extension or account through the INET

gateway by prefixing 4 to the phone number. i.e. 201 should be able to call XXX by calling 4XXX.

7. Any phone number on the PSTN network that has access to the PSTN gateway should be able to call any extension

on DVX1 or DVX2 by dialing the extension number through the auto attendant.

8. Any account or extension that has access to the INET gateway should be able to call any extension on DVX1 or

DVX2 by dialing the extension number through the auto attendant.

9. No phone number on the PSTN network with access to the PSTN gateway should be able to call any extension or

account on the INET gateway.

10. No extension or account on the INET gateway should be able to call any phone number on the PSTN network

through the PSTN gateway.

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D-Link DVX-1000 User Manual

Section ² - Configuration

Configuring DVX1

• Configure user extensions – Add user extensions 100 to 124 to DVX1 and add them to the ‘LocalRouteGroup’.

Please note that the first digit of all the extensions are ‘1’, this is done so that all of them will match a single

route from DVX2 to DVX1.

• Add the restricted route group – Add a route group called ‘RestrictedRouteGrp’. The restricted route group is

added to ensure that the calls coming in from the PSTN or INET gateway cannot be routed back to the INET or

PSTN gateway. The PSTN and INET gateways will be assigned to this route group when they are added.

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D-Link DVX-1000 User Manual

Section ² - Configuration

• Add PSTN gateway – Add the PSTN gateway and assign it to the RestrictedRouteGrp added above. The

configuration parameters depend on the particular gateway being used; please refer to the gateway user manual

for the values to be filled in here. Please refer to the

Configuring Gateways

section for a detailed explanation

of the parameters.

• Add INET gateway – Add the INET gateway and assign it to the RestrictedRouteGrp added above. The

configuration parameters depend on the service provider and have to be obtained from them.

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D-Link DVX-1000 User Manual

Section ² - Configuration

• Add DVX gateway – Add the DVX gateway as shown below and assign it to the ‘LocalRouteGroup’. The ‘SIP

user ID’, ‘Username’ and ‘Password’ used in the Registration parameters can be chosen arbitrarily. The only

restriction is that they should be the same on both DVXs that are being stacked.

• Add Routes

• Go to

Call Server

>

Routes

• Click on

icon for LocalRouteGroup and add the following routes

• Route from local user of DVX1 to local user of DVX2