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Cisco Bug: CSCvt82817 - Secure audio call falls back to unsecure if there is a mid-call UPDATE with SDP

Last Modified

Sep 01, 2020

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

10.5(2.10000.5) 11.5(1.10000.6) 12.0(1.10000.10) 12.5(1.10000.22) 12.5(1.12900.115)

Description (partial)

Symptom:
Secure audio negotiation will fall back to unsecure.

Conditions:
CCM should get mid-call UPDATE/w SDP in mid of an active SIP Transaction.
Other party of the call should support SRTP fallback .
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Bug Details Include

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