When performing an upgrade to Cisco Unified Contact Center Enterprise solution, which components do not need to be upgraded together during the same maintenance window?

Question

Options

• ACisco Unified ICM call router and logger
• BCisco Unified ICM call router and administrative workstation
• CCisco Unified ICM call router and peripheral gateway
• Dadministrative workstation and HDS-DDS

• A
  8% (3)
• B
  5% (2)
• C
  70% (28)
• D
  18% (7)

Explanation

In Cisco UCCE, the Call Router and Peripheral Gateway (PG) are the only pairing in the list that supports version interoperability, meaning Cisco allows the PG to run a different software version than the router temporarily - this enables phased upgrades across separate maintenance windows. This makes C the correct answer.

Option A is wrong because the Router and Logger are tightly coupled: they share the same ICM software stack and must always be at the same version to maintain routing and logging consistency. Option B is wrong because the Administrative Workstation must match the router version to properly interface with and configure it. Option D is wrong because the AW and HDS-DDS are co-located and interdependent for storing historical and real-time data, requiring simultaneous upgrades.

Memory tip: Think "PG = Peripheral = Peripheral to the core." Everything at the core (Router, Logger, AW, HDS-DDS) must stay version-locked together, but the PG lives on the edge and gets a grace period - just like a peripheral device plugging into a newer computer.

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