When the Cisco IOS router or gateway receives a call setup request, what is the PID value of the default dial peer?

The correct answer is C. PID:0. Cisco IOS routers and gateways have a built-in default dial peer with a Peer ID (PID) of 0. This peer is automatically matched when no explicitly configured inbound dial peer matches an incoming call. It uses default settings (no codec restriction, POTS characteristics) and has…

Gateway and Dial Plan

Question

Options

AID:3
BPID:6
CPID:0
DPID:4
EPID:5
FPID:1
GPID:2
HPID:7

How the community answered

(37 responses)

A
3% (1)
C
92% (34)
E
5% (2)

Explanation

Cisco IOS routers and gateways have a built-in default dial peer with a Peer ID (PID) of 0. This peer is automatically matched when no explicitly configured inbound dial peer matches an incoming call. It uses default settings (no codec restriction, POTS characteristics) and has no destination pattern. Knowing PID 0 is the default is essential when reading 'debug voip dialpeer' output, where you will see 'Matched peer: PID:0' for unmatched inbound calls.

Topics

#default dial peer#PID#call setup#IOS gateway

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