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Cisco Bug: CSCtb80326 - AS5400:wrong stats in RTCP for RTP streams with asymmetric payload size

Last Modified

Feb 05, 2017

Products (1)

  • Cisco AS5400 Series Universal Gateways

Known Affected Releases

12.4(15)T8

Description (partial)

AS5400 reports wrong stats in RTCP for RTP streams with asymmetric payload size

Topology:

PSDN - E1 AS5400 - MGCP - PGW - SIP - 3rd Party SIP CPE

Symptoms: The CRTP stats are showing wrong packet and byte count.
Conditions: Problem can be seen for all calls when we have asymmetric sample size - AS5400 sends 20 msec Samples, and receives 30 msec samples from SIP CPE.
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