Cisco Bug: CSCup99597 - ONE WAY AUDIO on secure call between a 6945 & Jabber in 15-20 mins
Last Modified
Nov 27, 2020
Products (11)
- Cisco SIP IP Phone Software
- Cisco Unified IP Phone 9951
- Cisco Unified SIP Phone 3905
- Cisco Unified IP Phone 6941
- Cisco Unified IP Phone 6961
- Cisco Unified IP Phone 8961
- Cisco Unified IP Phone 8941
- Cisco Unified IP Phone 8945
- Cisco Unified IP Phone 9971
- Cisco Unified IP Phone 6945

Known Affected Releases
9.4(1)
Description (partial)
Symptom: There is one-way audio experienced when a secure call is placed between a 6945 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 6945 phone & jabber that lasts for 15-20 mins
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