Specifications

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Cisco 1751 Router Software Configuration Guide
OL-1070-01
Figure 3 FXO Gateway to PSTN Example
Note This example assumes that the company has already established a working IP connection
between its two remote offices.
Router SJ Configuration
hostname router SJ
! Configure pots dial-peer 1
dial-peer voice 1 pots
destination-pattern 14085554000
port 0/0
! Configure voip dial-peer 2
dial-peer voice 2 voip
destination-pattern 1801.......
session target ipv4:172.16.65.182
ip precedence 5
! Configure serial interface 0
interface serial1/0
clock rate 2000000
ip address 172.16.1.123 255.255.0.0
no shutdown
Router SLC Configuration
hostname router SLC
! Configure pots dial-peer 1
dial-peer voice 1 pots
destination-pattern 1801.......
port 0/0
! Configure voip dial-peer 2
dial-peer voice 2 voip
destination-pattern 14085554000
session target ipv4:172.16.1.123
ip precedence 5
! Configure serial interface 0
interface serial1/0
ip address 172.16.65.182 255.255.0.0
no shutdown
18943
1(408) 555-4000
1(801) . . . . . . .
Router SJ
San Jose
Salt Lake City
Router SLC
172.16.1.123
172.16.65.182
PSTN user
Voice port
0/0
IP cloud
Voice port
0/0
PSTN
cloud