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How Calls Are Processed

Page 71

Connecting Two SIP Peers to the Same PSTN Interface

If you want to connect two SIP peers to the same PSTN interface so that all calls from the PSTN are sent to the

first SIP peer if the numbers begin with "1" and to the second peer if the numbers begin with "2", configure the

parameters as follows:

1. Under PSTN Interfaces, enable and configure the PSTN interface. Confirm with OK.

2. Under SIP Peers, create both SIP peers and make sure the entry in Domain matches exactly the domain

used by the SIP peer in its SIP address for outgoing calls. Do not enable the option Default peer for

received SIP calls for any of these peers. Confirm with OK.

3. Under Routing, create Route 1 and do the following:

• Enable the first PSTN interface as a source peer.

• Enable the first SIP peer configured in Step 2 as a Master destination.

•Under Conditions, click Add and set the Called address to "1.*".

• Confirm with OK.

4. Under Routing, create Route 2 and repeat Step 3 for the second SIP peer with the only difference that the

called address condition for this route is "2.*".

5. Under Routing, create Route 3 and do the following:

• Enable both SIP peers as source peers.

• Enable the first PSTN interface as a Master destination.

• Confirm with OK.

6. Save the configuration in the main configuration interface.

If calls other than those beginning with 1 or 2 should also be directed to one peer, remove the condition from

the respective PSTN to SIP route and move the route to the end of the list.

Load Balancing or Failover between Two SIP Peers

To configure two servers for load balancing or failover, follow these steps:

1. Under PSTN Interfaces, enable and configure all required PSTN interfaces. Confirm with OK.

2. Under SIP Peers, create both SIP peers and make sure the entry in Domain exactly matches the domain

used by the SIP peer in its SIP address for outgoing calls. Do not enable the option Default peer for

received SIP calls for any of these peers. If you configure a failover, SIP peer 1 (a Master) should have

the option Alive check enabled. Confirm with OK.

3. Under Routing, create Route 1 and do the following:

• Enable the first PSTN interface as a source peer.

• Enable the first SIP peer configured in Step 2 as a Master destination. For load-balancing configurations,

SIP peer 2 should be configured as a Master destination. For failover configurations, it should be configured

as a Slave destination.

• Confirm with OK.

4. Under Routing

, create Route 2 and do the following:

• Enable both SIP peers as source peers.

• Enable the first PSTN interfaces as a Master destination.

• Confirm with OK.

5. Save the configuration in the main configuration interface.

6. Under Routing, create Route 2 and repeat Step 3 for the second SIP peer with the only difference that the

called address condition for this route is 2.*.

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Dialogic 4000 SERIES Manual de usuario Pagina 71

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