350-801 CLCOR: Implementing and Operating Cisco Collaboration Core TechnologiesDemo

By Cisco · Question Mode

QuestionQ372

On-Premises Call Control

When a new SIP phone registers with Cisco Unified Communications Manager, it repeatedly fails and displays an unprovisioned error message. Which issue could cause this problem?

  • A Auto-registration is disabled on the Cisco Unified Communications Manager nodes and the phone device does not have a DN configured.
  • B The DN assigned to the phone is already in use by another SIP phone.
  • C The phone cannot download and install the latest firmware.
  • D The DHCP settings are set incorrectly and the phone does not have an alternate TFTP defined.
  • E The DN configuration for this phone is shared with an SCCP phone, which is not supported.
Explanation

A SIP phone must have a provisioned directory number/line configuration to receive usable service configuration from Cisco Unified Communications Manager. If auto-registration is disabled and the device has no configured DN, CUCM cannot automatically create or provide that line configuration, leaving the phone unprovisioned.

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