02-24-2016 02:31 PM - edited 03-17-2019 06:00 AM
Do you have someone configuration guide for 7821, not work in my CME
Extensión Mobility it´s supported for SIP Phones 7821 ?
03-04-2016 01:42 PM
Are your 7821 phones in the same subnet as the CME router? There is a bug which prevents the phones registering if they are in a different subnet.
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCug88643/?referring_site=bugquickviewredir
HTH
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