On Tue, Nov 11, 2008 at 07:05:23PM -0500, Jim Duda wrote:
>
> >> When it fails, I get this message:
> >> [Nov 9 19:12:26] WARNING[18916] app_dial.c: Unable to create channel of
> >> type 'DAHDI' (cause 0 - Unknown)
> >
> > Can you enable debug logging? Do you see any message about the casue for
> > that?
>
> Yes, I enabled logging, however, no additional logging was available.
> I instrumented the code myself with additional logging. I have provided the
> code snipet
> from chan_dahdi.c below. It appears that my problem is caused by the TDM
> channel being
> in the Onhook state. Something makes the channel go Offhook, and things
> begin to work
> properly. I'm able to solve the Onhook case by changing the code to always
> return 1
> when Onhook, indicating Offhook.
>
> I'm hoping someone might shed some light on the "onhook" comments here. What
> causes both
> par.rxbits == -1 and par.rxisoffhook == 0?
>
> chan_dahdi.c line 3786
>
> if (res) {
> ast_log(LOG_WARNING, "Unable to check hook state on channel %d: %s\n",
> p->channel, strerror(errno));
> } else if ((p->sig == SIG_FXSKS) || (p->sig == SIG_FXSGS)) {
> /* When "onhook" that means no battery on the line, and thus
> it is out of service..., if it's on a TDM card... If it's a channel
> bank, there is no telling... */
> if (par.rxbits > -1)
> return 1;
> if (par.rxisoffhook)
> return 1;
> else {
> ast_log(LOG_WARNING, "available 6c par.rxbits: %d par.rxisoffhook:
> %d\n", par.rxbits, par.rxisoffhook);
> // return 0;
> return 1;
> }
Interesting. This part was originally ifdef-ed out in chan_zap:
http://bugs.digium.com/13786
--
Tzafrir Cohen
icq#16849755 jabber:[EMAIL PROTECTED]
+972-50-7952406 mailto:[EMAIL PROTECTED]
http://www.xorcom.com iax:[EMAIL PROTECTED]/tzafrir
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