[asterisk-bugs] [JIRA] (ASTERISK-27033) chan_dahdi is unable to detect dialtone

[Richard Mudgett (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-27033?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=237321#comment-237321 ] 

Richard Mudgett commented on ASTERISK-27033:
--------------------------------------------

* I expect the dialtone you are hearing is from the IP phone itself to make a new call and not from the analog line.  Normal verbose and debug output will tell you if the analog line has been hung up.
* The {{dialtone_detect}} option helps prevent a line from being stuck off-hook from stray rings or a caller hanging up before the call is answered.
* Beware that setting {{dialtone_detect=always}} can cause a call to be dropped unexpectedly if it detects dialtone *during* your call.  Tone detection is not perfect as it is a compromise of several factors such as detection speed and the signal/noise ratio.
* You probably shouldn't use the {{signaling=auto}} setting.  I usually have difficulty figuring out what signaling mode it is actually using.  Many options work differently depending upon what signaling mode is actually in effect.
* This has turned into a support issue and not a bug report.

We appreciate the difficulties you are facing, however this does not appear to be a bug report and your request or comments would be better served in a different forum.

The Asterisk community provides support over IRC, mailing lists, and forums as described at http://asterisk.org/community. The Asterisk issue tracker is used specifically to track issues concerning bugs and documentation errors.

Please see the Asterisk Issue Guidelines [1] for instruction on the intended use of the Asterisk issue tracker.

Thanks!

[1] https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines

> chan_dahdi is unable to detect dialtone
> ---------------------------------------
>
>                 Key: ASTERISK-27033
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27033
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_dahdi
>    Affects Versions: 13.15.0
>         Environment: Linux Debian jessie 64 bits, Wildcard TDM410P PCI card with 1 FXO
>            Reporter: Henry Moffett
>            Severity: Minor
>
> Recently I bought Wildcard TDM410P PCI card with 1 FXO port in order to make and receive calls on PSTN analog line.
> I've been playing with it for few days, and I've noticed that two options in chan_dahdi.conf: dialtone_detect and waitfordialtone don't detect the dialtone at all. At least not the 425 Hz.
> If I set waitfordialtone, I cannot make an outgoing call.
> I'm using "loadzone=pl" in /etc/dahdi/system.conf, and "options wctdm24xxp opermode=POLAND" in /etc/modprobe.d/dahdi.conf.



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