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Voice over IP Configuration Examples
VC-46
Voice, Video, and Home Applications Configuration Guide
Configuration for Router SLC
! Configure pots dial peer 1
dial-peer voice 1 pots
destination-pattern 9...........
port 1/0/0
! Configure voip dial peer 2
dial-peer voice 2 voip
destination-pattern +14085554000
session target ipv4:172.16.1.123
! Configure serial interface
interface serial 0/0
ip address 172.16.65.182
no shutdown
PSTN Gateway Access Using FXO Connection (PLAR Mode)
The following example shows how to configure Voice over IP 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 15 illustrates the topology of this connection example.
Figure 15 PSTN Gateway Access Using FXO Connection (PLAR Mode)
Note This example assumes that the company already has established a working IP connection
between its two remote offices.
S6618
1(408) 555-4000
Router SJ
San Jose Salt Lake City
Router SLC
172.16.1.123 172.16.65.182
PSTN use
r
Voice port
1/0/0
IP cloud
PLAR connection
Voice port
1/0/0
PSTN
cloud