Which product performs the tasks of SIP registration and authentication?

Question

Options

• AAvaya Aura Session Manager (SM)
• BAvaya Aura System Manager (SMGR)
• CAvaya Aura Communication Manager (CM)
• DAvaya Aura Media Server (AAMS)

• A
  5% (2)
• B
  93% (41)
• D
  2% (1)

Explanation

Important note: The provided answer key appears to contain an error. Based on Avaya Aura architecture, A (Session Manager) is the correct answer, not B.

Session Manager (SM) is the SIP registrar/proxy in the Avaya Aura stack - it receives SIP REGISTER requests from endpoints, authenticates them, and maintains registration bindings. This is its core function by design.

System Manager (SMGR) is the centralized web-based administration platform used to configure and provision the Avaya Aura components (users, policies, routing). It manages configuration of authentication policies but does not itself perform SIP registration.

Communication Manager (CM) is the legacy PBX call-processing engine; it handles H.323 and digital/analog telephony features, not SIP registration directly.

Avaya Aura Media Server (AAMS) handles media processing tasks like conferencing, announcements, and transcoding - it has no role in SIP registration.

Memory tip: Think of SM as the "front door bouncer" - every SIP endpoint must check in with Session Manager to get on the network. SMGR is the "admin office" behind the scenes that configures the rules.

Recommendation: Verify this question against your official study guide. If the exam source truly lists B as correct, there may be a typo or version-specific context - but by standard Avaya Aura documentation, SIP registration is a Session Manager function.

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