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Cisco Bug: CSCsz56764 - Dialer doesn't use RFC compliant RTP and RTCP port num when recording

Last Modified

Dec 29, 2016

Products (1)

  • Cisco Unified Contact Center Enterprise

Known Affected Releases

7.0(0) 7.5(1) 7.5(7) 8.0(1)

Description (partial)

Symptom:

When the Dialer performs recording, it doesn't comply with RFC1889 to use an even number for RTP port and next higher (odd) port number for the corresponding RTCP stream. As a result, a large number of ICMP destination unreachable packets are seen when sniffing the network.

Conditions:
Cisco Outbound Option
Normal operation.
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