Pstn Gateway Access Using Fxo Connection (Plar Mode); Router Sj Configuration - Cisco 2611XM Software Configuration Manual

PSTN Gateway Access Using FXO Connection (PLAR Mode)

The following example shows how to configure VoIP to link users with the PSTN gateway using an FXO
connection (PLAR mode).
In this example, PSTN users in Salt Lake City, Utah, can dial a local number and establish a private line
connection in a remote location. As in the previous example, Router SLC in Salt Lake City is connected
directly to the PSTN through an FXO interface.
Figure 4-4
Figure 4-4
1(408) 555-4000
San Jose
This example assumes that the company already has established a working IP connection between its
Note
two remote offices.

Router SJ Configuration

! Configure pots dial-peer 1
dial-peer voice 1 pots
destination-pattern +14085274000
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
Software Configuration Guide for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers
4-10
illustrates the topology of this connection example.
PSTN Gateway Access Using FXO Connection (PLAR Mode)
IP cloud
Router SJ
172.16.1.123
Voice port
1/0/0
PLAR connection
Router SLC
172.16.65.182
Voice port
1/0/0
Chapter 4 Configuring Voice-over-IP
PSTN user
PSTN
cloud
Salt Lake City
OL-1957-03