A company who implemented Extension Mobility notices that logout does not work or gives an error. Which configuration step must be implemented to resolve this issue?

Question

Options

• ASubscribe the user device profile to the Extension Mobility service.
• BPhone services must be modified.
• CModify the user profile.
• DA phone profile must be added.

• A
  79% (15)
• B
  5% (1)
• C
  5% (1)
• D
  11% (2)

Explanation

For Extension Mobility to function correctly - including both login and logout - the user device profile must be subscribed to the Extension Mobility IP Phone Service in CUCM. This subscription links the device profile to the Extension Mobility service, which provides the phone with the login/logout softkey functionality and the service URL used to authenticate and terminate sessions. Without this subscription, the phone cannot communicate properly with the Extension Mobility service, causing logout attempts to fail or generate errors. Simply having Extension Mobility enabled on the phone is not sufficient if the device profile lacks the service subscription.

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