Cisco 1751 Manuel de démarrage rapide - Page 19
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Checking Dial Peer Configuration
If you configured POTS dial peers on your router by following these examples, you can place calls
between telephones connected to the same router. You can also use the show dial-peer voice command
to verify that the data you configured is correct.
If the voice port is offline, use the interface configuration no shutdown command to enable it.
Note
Calling Between Routers
To enable the West and East offices to send voice traffic to each other over the same IP network they use
for data traffic, use a WIC on each router to provide a connection to the IP network, as shown in
Figure
Figure 15
408 555-3737
408 555-4141
Look at the connection between the West router and the IP network. This connection does not include a
voice port or an attached telephone—it leads from a WAN interface to a remote destination somewhere
on the IP network. IP routers know how to locate IP addresses on the network, but they do not know how
to locate telephone numbers. To route an outgoing voice call over this connection, the West router has to
associate a telephone number in the East office with the IP address of the East router.
Table 9
This type of dial peer is called a remote dial peer or VoIP dial peer. (Remember, the dial-peer tags are
arbitrary.) The term VoIP means that the dial peer associates a telephone number with an IP address.
Table 9
Remote Location
East
East
Create a VoIP dial peer on the West router for every telephone on the East router, all associated with the
same IP address. But it is much easier to use periods as wildcards, as shown in
78-11259-05
15.
IP Connection Between Routers
FXS VIC
0/0
192.168.19.27
West
FXS VIC
0/1
assigns a dial-peer tag to each telephone number and its associated IP address on the West router.
West Router Remote Dial Peers
Telephone Number
919 555-8282
919 555-9595
FXS VIC
1/0
IP cloud
East
FXS VIC
1/1
Destination Pattern
19195558282
19195559595
Cisco 1751 Voice-over-IP Quick Start Guide
Configuring Voice-over-IP
919 555-8282
192.168.11.3
919 555-9595
IP Address
Dial-Peer Tag
192.168.11.3
501
192.168.11.3
502
Table
10.
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