Specifications

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Cisco 1751 Router Software Configuration Guide
OL-1070-01
Syntax Description
Default
Enabled with no IP address or domain name defined.
Command Mode
Dial-peer configuration.
Usage Guidelines
Use the session target command to specify a network-specific address or domain name for a dial peer.
The session target loopback command is used for testing the voice transmission path of a call. The
loopback point depends on the call origination and the loopback type selected.
The session target dns command can be used with or without the specified wildcards. The optional
wildcards reduce the number of VoIP dial-peer session targets you need to configure if you have groups
of numbers associated with a particular router.
Example
The following example configures a session target using dns for hostname voice_router in the domain
cisco.com:
dial-peer voice 10 voip
session target dns:voice_router.cisco.com
ipv4:destination-address IP address of the dial peer.
dns:host-name Domain name system (DNS) server is used to resolve the name of the
IP address. Valid entries for this parameter are characters representing
the name of the host device.
(Optional) You can use one of the following wildcards with this
keyword when defining the session target for VoIP dial peers:
• $s$.—Source destination pattern is used as part of the domain
name.
• $d$.—Destination number is used as part of the domain name.
• $u$.—Unmatched portion of the destination pattern (such as a
defined extension number) is used as part of the domain name.
loopback:rtp All voice data is looped-back to the originating source. This only
applies to VoIP dial peers.
loopback:compressed All voice data is looped-back in compressed mode to the originating
source. This only applies to POTS dial peers.
loopback:uncompressed All voice data is looped-back in uncompressed mode to the originating
source. This only applies to POTS dial peers.