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Cisco Bug: CSCur57864 - 8841/8851 Secured Extension Mobility login intermittently fails

Last Modified

Jul 17, 2018

Products (41)

  • Cisco IP Phone 8800 Series
  • Cisco DX80
  • Cisco IP Phone 8851
  • Cisco Unified IP Phone 7945G
  • Cisco Unified IP Phone 7962G
  • Cisco Unified IP Phone 9951
  • Cisco Unified SIP Phone 3905
  • Cisco DX650
  • Cisco Unified IP Phone 7971G-GE
  • Cisco IP Phone 7841
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Known Affected Releases


Description (partial)

When user attempts to extension mobility login, the phone displays "Host not found".

On the Cisco Unified CallManager (CUCM), "Phone Configuration" page, the "Secure Services URL" is configured with a valid HTTPS URL.
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