When adding a new Avaya Aura Communication Manager (CM) Endpoint/Station, which Class of Service (COS) profile is assigned by default?

The correct answer is D. 0. When a new Station/Endpoint is added in Avaya Aura Communication Manager without explicitly specifying a Class of Service, COS 0 is assigned by default - it represents the most restrictive baseline profile, ensuring new extensions have minimal permissions until an administrator…

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Question

Options

How the community answered

(28 responses)

A
4% (1)
C
4% (1)
D
93% (26)

Explanation

When a new Station/Endpoint is added in Avaya Aura Communication Manager without explicitly specifying a Class of Service, COS 0 is assigned by default - it represents the most restrictive baseline profile, ensuring new extensions have minimal permissions until an administrator deliberately grants more. Options A (3), B (2), and C (1) are plausible-sounding values but are simply not the CM default; COS values 1–7 represent progressively configured profiles that must be intentionally assigned. A helpful memory tip: think "Zero = ground zero" - new stations start from zero permissions and build up, mirroring the principle of least privilege that Avaya applies to default configurations.

Topics

#Class of Service#Endpoint Configuration#Communication Manager#Default Settings

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