Cisco 3600 Series Configuration Manual - Page 33

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Cisco 3600 Series Configuration Manual
PSTN Gateway Access Using FXO Connection
The following example shows how to configure Voice over IP to link users with the PSTN gateway
using an FXO connection.
In this example, users connected to Router SJ in San Jose, California can reach PSTN users in Salt
Lake City, Utah via Router SLC. Router SLC in Salt Lake City is connected directly to the PSTN
through an FXO interface.
Figure 14 illustrates the topology of this connection example.
Figure 14
1(408) 555-4000
Note
between its two remote offices.
Configuration for Router SJ
PSTN Gateway Access Using FXO Connection Example
Router SJ
172.16.1.123
Voice port
San Jose
1/0/0
This example assumes that the company already has established a working IP connection
! Configure pots dial peer 1
dial-peer voice 1 pots
destination-pattern +14085554000
port 1/0/0
! Configure voip dial peer 2
dial-peer voice 2 voip
destination-pattern 9...........
session target ipv4:172.16.65.182
! Configure the serial interface
interface serial 0/0
clock rate 2000000
ip address 172.16.1.123
no shutdown
PSTN Gateway Access Using FXO Connection
IP cloud
Router SLC
172.16.65.182
Voice port
1/0/0
Configuring Voice over IP for the Cisco 3600 Series VC-45
PSTN user
PSTN
cloud
Salt Lake City