4-9
Software Configuration Guide for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers
OL-1957-03
Chapter 4
Configuring Voice-over-IP
Figure 4-3
PSTN Gateway Access Using FXO Connection Example
Note
This example assumes that the company already has established a working IP connection between its
two remote offices.
Router SJ Configuration
! Configure pots dial-peer 1
dial-peer voice 1 pots
destination-p14085274000
port 1/0/0
! Configure voip dial-peer 2
dial-peer voice 2 voip
destination-p9...........
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
Router SLC Configuration
! Configure pots dial-peer 1
dial-peer voice 1 pots
destination-p9...........
port 1/0/0
! Configure voip dial-peer 2
dial-peer voice 2 voip
destination-p14085274000
session target ipv4:172.16.1.123
! Configure serial interface
interface serial 0/0
ip address 172.16.65.182
no shutdown
S6617
1(408) 555-4000
Router SJ
San Jose
Salt Lake City
Router SLC
172.16.1.123
172.16.65.182
PSTN user
Voice port
1/0/0
IP cloud
Voice port
1/0/0
PSTN
cloud