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Cisco Bug: CSCul34986 - CUCM doesnt support third party phone registration using same IP

Last Modified

Mar 26, 2019

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases


Description (partial)

Update documents that CUCM doesnt support third party sip phone registration using the same IP unless the combination of the IP address and the port number in the contact header are unique.

When 2 third party sip phones try to register using the same IP address.
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