[asterisk-bugs] [JIRA] (ASTERISK-26654) One-way audio, Asterisk not sending audio upstream.

[Luke Escude (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-26654?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luke Escude updated ASTERISK-26654:
-----------------------------------

    Attachment: extensions.conf

Attached extensions.conf - just the context that particular extension uses to dial out.

> One-way audio, Asterisk not sending audio upstream.
> ---------------------------------------------------
>
>                 Key: ASTERISK-26654
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26654
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>         Environment: CentOS x64 - No NAT, public IP
>            Reporter: Luke Escude
>         Attachments: 2calls.pcap, asterisk_debug, extensions.conf, sip.conf
>
>
> We have been struggling with random (very inconsistent) one-way audio phone calls for a couple of months now. Out of the 10,000 phone calls we process per day, this only happens to less than 20 of them.
> This issue ONLY affects a few of my customers on a raw Asterisk installation, none of my FreePBX customers are having any issues.
> The server is hosted in our datacenter with a public IP - no firewall, no NAT, and it trunks to Flowroute. The customer is behind NAT, however the system works just fine like this - we always have 2-way audio between customer and our server.
> Attached is a PCAP of 2 phone calls that experienced one-way audio, and the console debug messages from asterisk.
> Flowroute is pulling a packet capture of their side for me, as we speak.
> One-way audio occurs EVERY TIME we call this person's specific cell phone number. She is my customer's employee's wife, and she was nice enough to allow me to test with her cell. The audio is simply missing from asterisk to Flowroute. However the audio is present from Flowroute to Asterisk.



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