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Configure Dial Peers
Create a Peer Configuration Table
Configure POTS Peers
2-18
There is specific data relative to each dial peer that needs to be identified before you can configure
dial peers in Voice over IP. One way to do this is to create a peer configuration table.
Using the example in Figure 2-2, Router 1, with an IP address of 10.1.1.1, connects a small sales
branch office to the main office through Router 2. There are three telephones in the sales branch
office that need to be established as dial peers. Access Server 2, with an IP address of 10.1.1.2, is the
primary gateway to the main office; as such, it needs to be connected to the company’s PBX. There
are four devices that need to be established as dial peers in the main office, all of which are basic
telephones connected to the PBX. Figure 2-2 shows a diagram of this small voice network.
Table 2-2 shows the peer configuration table for the example illustrated in Figure 2-2.
Table 2-2 Peer Configuration Table for Sample Voice Over IP Network
Commands
Dial Peer
Tag
Access
Server 1
Ext Dest-Pattern Type Voice Port Session-Target CODEC QoS
1 6.... +1408526.... POTS
10
Access
Server 2
+1729422.... VoIP IPV4 10.1.1.2 G.729 Best Effort
11 +1408526.... VoIP IPV4 10.1.1.1 G.729 Best Effort
4 2.... +1729422.... POTS
Once again, POTS peers enable incoming calls to be received by a particular telephony device. To
configure a POTS peer, you need to uniquely identify the peer (by assigning it a unique tag number),
define its telephone number(s), and associate it with a voice port through which calls will be
established. Under most circumstances, the default values for the remaining dial-peer configuration
commands will be sufficient to establish connections.
To enter the dial-peer configuration mode (and select POTS as the method of voice-related
encapsulation), use the following command in global configuration mode:
Command Purpose
dial-peer voice number pots Enter the dial-peer configuration mode to configure
a POTS peer.
The number value of the dial-peer voice pots command is a tag that uniquely identifies the dial peer.
(This number has local significance only.)
Voice over IP for the Cisco 3600 Series Software Configuration Guide