[asterisk-bugs] [JIRA] Commented: (ASTERISK-20194) SRTP: after hold action no audio on holded peer.

[Matt Jordan (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-20194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=195791#comment-195791 ] 

Matt Jordan commented on ASTERISK-20194:
----------------------------------------

Well, it looks like the SNOM phone does not change the SSRC, which is good.  Unfortunately, I haven't been able to reproduce the issue using the SNOM 820, despite leaving it on hold for an extended period of time, transferring things after an extended period of time, and generally attempting to confuse the SRTP session.

In my last test I left the phone on hold for 30 minutes without reproducing this.

What SNOM phone are you testing with, and with what firmware?

> SRTP: after hold action no audio on holded peer.
> ------------------------------------------------
>
>                 Key: ASTERISK-20194
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20194
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_srtp
>    Affects Versions: 1.8.13.1, 1.8.14.0, 1.8.15.0
>         Environment: Linux Centos 5.7
>            Reporter: Nicolò Mazzon
>            Assignee: Matt Jordan
>            Severity: Critical
>         Attachments: config.txt, dump_srtp.zip.001, dump_srtp.zip.002, dump_srtp.zip.003, file.zip.001, file.zip.002, file.zip.003, file.zip.004, file.zip.005, full.log, full.log, full.tmp, sip_trace.pcap, siptrace.pcap
>
>
> On a call with SRTP after peer hold another and unhold, the holded peer does not hear anything, the holder peer continue to hear audio call. This happens after 10-15 minutes of conversation. 
> We verified this every time with version from version 1.8.13. Instead 1.8.12 works ok.
> We made many tests with different phone models (SNOM, Polycom, Yealink) and issue occured every time.
> We attach our configuration and log. Log level is verbose = 12 and debug = 12.
> This is the scenario:
> ||action||hour||
> |2209 call 2210| 10.43|
> |2210 answer||                     
> |2210 hold|11.00|
> |2210 unhold|11.01|
> |2209 no audio||
> |2209 hangup up|11.02|

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