[asterisk-bugs] [JIRA] Updated: (ASTERISK-20501) Distorted Audio if you Dial multiple numbers at once (DAHDI)

[Sven Hirschmueller (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-20501?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sven Hirschmueller updated ASTERISK-20501:
------------------------------------------

    Attachment: fiallog.log

CLI-Log with debug 3

> Distorted Audio if you Dial multiple numbers at once (DAHDI)
> ------------------------------------------------------------
>
>                 Key: ASTERISK-20501
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20501
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_dahdi
>    Affects Versions: 1.8.15.0
>         Environment: Debian 6.0, Kernel 26.39.4
>            Reporter: Sven Hirschmueller
>         Attachments: fiallog.log
>
>
> If you dial multiple numbers(channels) at once via the dial app a dahdi call will have distorted audio if it is tunneled in hardware and not in software.
> e.g. You use following ael extension.
> 1000 => {
>   Dial(dahdi/g10/1000&sip/1001);
> };
> If you dial 1000 and you pick up the call via isdn phone 1000 and your caller phone is also a isdn phone on the same BRI-Card the audio will be distorted.
> If you pick up the phone via the sip phone the audio is ok.
> If you don't use multi dial statements the call is also ok and finaly the call is ok if you add parameters to the dial statement that prevent a route of the audio data via the chips as asterisk need to interpret them. (e.g. parameters t or T)
> so following statements are working
> 1000 => {
>   Dial(dahdi/g10/1000);
> };
> also this will work
> 1000 => {
>   Dial(dahdi/g10/1000&sip/1001,,tT);
> };
> i guess the problem is that the bridged call need to be masquaraded and in the end the hardware isn't told correctly witch b-channel to be tunneled to witch b-channel.
> tested with a openvox b800p, sorry i can't test it with our didium te405p e1 cards as i miss the end point for e1.

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