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Note：Each machine must be configured the IP address used by the voice gateway at one time.
Such as in example 1, configuration of 1750_1 is as below:
1750_1_config#gateway-cfg
1750_1_config_gw#gateway ipaddr 10.1.1.1
12.7.1 FXS-to-FXS Connection
In this example, a very small company, consisting of two offices, has decided to integrate Voice over IP
into its existing IP network. One basic telephony device is connected to V100_1; therefore V100_1 has
been configured for two POTS peers and one VoIP peer. Because two telephony devices are
connected to V100_2, it has also been configured for two POTS peers and one VoIP peer. Figure 5
illustrates the topology of this FXS-to-FXS connection example.
FXS-to-FXS Connection Example
Figuer 12-5
1750_1 configuration
1750_1_config#interface e1/0
1750_1_config_e1/0#ip address 10.1.1.1 255.255.255.0
1750_1_config_e1/0#exit
1750_1_config#ip route default 10.1.1.2
1750_1_config#dial-peer voice 1 pots
1750_1_config_dialpeer#destination-pattern 4117
1750_1_config_dialpeer#port 0/0
1750_1_config_dialpeer#exit
1750_1_config#dial-peer voice 2 pots
1750_1_config_dialpeer#destination-pattern 4118
1750_1_config_dialpeer#port 0/1
1750_1_config_dialpeer#exit
1750_1_config#dial-peer voice 3 voip
1750_1_config_dialpeer#session target 10.1.20.1
1750_1_config_dialpeer#destination-pattern 412.
1750_1_config_dialpeer#exit
1750_1_config#wr
1750_2 configuration
1750_2_config#interface e1/0
1750_2_config_e1/0#ip address 10.1.20.1 255.255.255.0
1750_2_config_e1/0#exit
1750_2_config#ip route default 10.1.20.10
1750_2_config#dial-peer voice 1 pots
1750_2_config_dialpeer#destination-pattern 4121
1750_2_config_dialpeer#port 0/0
1750_2_config_dialpeer#exit
1750_2_config#dial-peer voice 2 pots
1750_2_config_dialpeer#destination-pattern 4122
1750_2_config_dialpeer#port 0/1
1750_2_config_dialpeer#exit
1750_2_config#dial-peer voice 3 voip
1750_2_config_dialpeer#session target 10.1.1.1
1750_2_config_dialpeer#destination-pattern 411.
1750_2_config_dialpeer#exit
- 468 -
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