Specifications

xxxiv
Cisco 1751 Router Software Configuration Guide
OL-1070-01
The following example configures a session target using dns and the optional $u$. wildcard. In this
example, the destination pattern has been configured to allow for any four-digit extension, beginning
with the numbers 1310222. The optional wildcard $u$. means that the router uses the unmatched
portion of the dialed number—in this case, the four-digit extension—to identify the dial peer. As in the
previous example, the domain is cisco.com.
dial-peer voice 10 voip
destination-pattern 1310222....
session target dns:$u$.cisco.com
The following example configures a session target using dns, with the optional $d$. wildcard. In this
example, the destination pattern has been configured for 13102221111. The optional wildcard $d$.
means that the router uses the destination pattern to identify the dial peer in the cisco.com domain.
dial-peer voice 10 voip
destination-pattern 13102221111
session target dns:$d$.cisco.com
Related Commands
destination-pattern
session protocol
show call active voice
To show the active call table, use the show call active voice privileged EXEC command.
show call active voice
Syntax Description
This command contains no arguments or keywords.
Command Mode
Privileged EXEC.
Usage Guidelines
Use the show call active voice privileged EXEC command to display the contents of the active call
table, which shows all of the calls currently connected through the router.
For each call, there are two call legs, a POTS call leg and a VoIP call leg. A call leg is a discrete segment
of a call between two points in the connection. Each dial peer creates a call leg, as shown in Figure 1.