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Cisco Bug: CSCuw29068 - On parallel broadcast to phones, a 503 Service Unavailable error is seen

Last Modified

Mar 07, 2018

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

10.0(1.10000.24) 10.5(1.10000.7) 10.5(2.10000.5) 11.0(1.10000.10)

Description (partial)

The user authentication fails with a 503 error (Service unavailable). Phone may return a CiscoIPPhoneError Number="4" response

XML code like Broadcast messages, is being pushed to multiple Cisco IP phones in parallel, using the same user credentials

                <ExecuteItem URL="RTPMRx:"/>
                <ExecuteItem URL=""/>
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