An Avaya IP Office customer with digital telephones uses their outbound digital lines at a capacity of 95%. Which capacity increase should be considered when planning for future growth?

Question

Options

• AThe number of trunks
• BThe number of users
• CThe number of VCM channels
• DThe number of hunt groups

• A
  6% (3)
• B
  78% (39)
• C
  12% (6)
• D
  4% (2)

Explanation

When a system is at 95% trunk utilization, the root cause is user-generated call volume, so growth planning must center on the anticipated increase in users - they are the demand driver that determines how all other resources (trunks, ports, licenses) must scale. If you project user growth first, every other capacity element can be sized correctly around it.

Why the distractors are wrong:

• A (Trunks): Trunks are a result of user demand, not the starting point for planning. Sizing trunks without first knowing how many users you're adding leads to under- or over-provisioning.
• C (VCM channels): VCM (Voice Compression Module) channels handle analog/IP voice conversion. Since this scenario uses digital telephones and digital trunks end-to-end, VCM is not the relevant bottleneck.
• D (Hunt groups): Hunt groups are call-routing logic, not a capacity resource. Adding hunt groups doesn't increase the system's ability to handle more simultaneous calls or users.

Memory tip: Think of users as the engine - trunks, VCM channels, and hunt groups are just parts that serve the engine. When planning for growth, always size the engine first.

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