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Cisco Bug: CSCup90376 - ONE WAY AUDIO on encrypted call between 8961/99XX & Jabber in 15-20 mins

Last Modified

Nov 27, 2020

Products (1)

  • Cisco Unified IP Phones 9900 Series

Known Affected Releases

9.3(2.10)

Description (partial)

Symptom:
There is one-way audio experienced when a secure call is placed between a 8961or 9951/9971 phone & jabber. 

In this situation the phone is not able to hear the jabber user however the jabber user can hear the phone user, this is experienced on a call that lasts for around 15-20 mins.

In the phone console logs you would see the following

1329 ERR 15:24:09.238719 ms-SRTPIF.srtcpifUnprotect: failed with error code 7, session 25 
1330 ERR 15:24:09.238819 ms-RTCP-rtcpm_rcvPacket srtpUnprotect error 
1331 NOT 15:24:09.238905 ms-SRTPIF.srtpifDealloc, session 25

5364 ERR 08:28:50.865511 ms-RTPPKTMGR Rx stream block 7: Pkts discard decryption error

Conditions:
Secure call between 8961.9951,9971 phones & jabber that lasts for 15-20 mins
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Bug Details Include

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