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Default Dial Peer

This topic describes the default dial peer.

Cisco Public

IP Telephony

Default Dial Peer 0

When a matching inbound dial peer is not found, the router resorts to the default dial peer.

Note Default dial peers are used for inbound matches only. They are not used to match outbound

calls that do not have a dial peer configured.

The default dial peer is referred to as dial peer 0.

Example: Use of Default Dial Peer

In the figure, only one-way dialing is configured. The caller at extension 7777 can call

extension 8888 because there is a VoIP dial peer configured on router 1 to route the call across

the network. There is no VoIP dial peer configured on router 2 to point calls across the network

toward router 1. Therefore, there is no dial peer on router 2 that will match the calling number

of extension 7777 on the inbound call leg. If no incoming dial peer matches the calling number,

the inbound call leg automatically matches to a default dial peer (POTS or VoIP).

Note There is an exception to the previous statement. Cisco voice and dial platforms, such as the

AS53xx and AS5800, require that a configured inbound dial peer be matched for incoming

POTS calls to be accepted as voice calls. If there is no inbound dial-peer match, the call is

treated and processed as a dialup (modem) call.

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Cisco GRP Manual de usuario Pagina 14