[asterisk-bugs] [JIRA] (ASTERISK-25926) DAHDI PRI calls echo only when no caller ID is present

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-25926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=230268#comment-230268 ] 

Asterisk Team commented on ASTERISK-25926:
------------------------------------------

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].

> DAHDI PRI calls echo only when no caller ID is present
> ------------------------------------------------------
>
>                 Key: ASTERISK-25926
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25926
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_dahdi
>    Affects Versions: 13.6.0, 13.7.2
>         Environment: Debian 7, Sangoma A108E card
>            Reporter: Steve Orner
>
> We are experiencing an issue where calls coming in from a PRI that have no caller ID are having a lot of echo, where the recipient on our end hears themselves talking. I have searched the internet high and low, and even reached out to a local support vendor who has not been able to track this issue down. I've experimented with many different settings in asterisk and there has been no improvement. I was on 13.6 and upgraded to 13.7.2 to fix another issue we were having, so that is why I listed both versions, but I do not believe this to be version specific. The vast majority of our calls come in with a caller ID and there are no issues, but these ones that don't are echoing for some reason. The calls look like this in the logs: DAHDI/i6/-14a1. Another important observation with this is we can do a chanspy AND go back and listen to recorded calls, and the echo is not present there. It is only on the talking party's handset or head set. I have also enabled echo cancel on the phones which did not make a difference with this. I'm probably in the wrong place for this, but I am running out of sources of information and staff is running out of patience with this issue. We went live on Asterisk in October 2015 and this issue has been present from that time.  



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