[asterisk-users] Asterisk 1.4 with Digium B410P - Timing problem

[Marco Mouta]

did you modprobe ztdummy?

On 3/30/07, Administrator TOOTAI <admin at tootai.net> wrote:
>
> Hi list,
>
> we have a dual Xeon server with 2GB RAM running Debian Etch 2.6.18.4-686
> kernel. The server has 2 B410P cards plugged in. No other card.
>
> We installed Asterisk 1.4 trunk with zaptel trunk, ran make b410p, the
> install mISDN1.1.0 (for bug 9064) configure and compile Asterisk with
> chan_misdn, all is fine. In misdn-init.conf we have added
> option=1,master_clock. Asterisk is up and running, voicemail, echo test,
> demo, MOH, everything works well.
>
> Now we want to add conferences with meetme. So we load zaptel module who
> created /dev/zap/channel|ctl|pseudo|timer|transcode. Asterisk is running
> under asterisk:asterisk,we added this user to dialout group to have the
> good rights on those files. Problem: we can't open conferences, we
> always have
>
> [Mar 30 10:55:37] WARNING[28302]: chan_zap.c:896 zt_open: Unable to open
> '/dev/zap/pseudo': No such device or address
> [Mar 30 10:55:37] ERROR[28302]: chan_zap.c:7631 chandup: Unable to dup
> channel: No such device or address
> [Mar 30 10:55:37] WARNING[28302]: app_meetme.c:758 build_conf: Unable to
> open pseudo channel - trying device
> [Mar 30 10:55:37] WARNING[28302]: app_meetme.c:761 build_conf: Unable to
> open pseudo device
>
>
> What's wrong? The B410P being a Digium card should gave us a timing
> source? Do we forgot to compile some module (no one wxxx from zaptel
> directory is activated)? More generally, how you get the timing working
> with B410P cards and 1.4?
>
> We tried another way, ztdummy: by loading the module, the meetme
> application start to work but ... no more audio in all applications
> (voicemail, meetme, MOH, echo-test, demo,...)! In log we found
>
> Mar 29 22:40:36 SrvPhone kernel: Zapata Telephony Interface Registered on
> major 196
> Mar 29 22:40:36 SrvPhone kernel: Zaptel Version: SVN-branch-1.4-r2351
> Mar 29 22:40:36 SrvPhone kernel: Zaptel Echo Canceller: MG2
> Mar 29 22:40:39 SrvPhone kernel: ztdummy: RTC rate is 1024
> Mar 29 22:40:39 SrvPhone kernel: rtc: lost some interrupts at 1024Hz.
> Mar 29 22:40:39 SrvPhone kernel: Registered tone zone 0 (United States /
> North America)
> Mar 29 22:40:39 SrvPhone kernel: rtc: lost some interrupts at 1024Hz.
> Mar 29 22:41:10 SrvPhone last message repeated 1514 times
> Mar 29 22:42:11 SrvPhone last message repeated 3050 times
> Mar 29 22:42:57 SrvPhone last message repeated 2348 times
>
> Removing ztdummy give audio back but no more meetme :-(
>
> Before opening a bug, we would like to know if some of you have a similar
> working setup with B410P and meetme.
>
> Thanks for your feedback.
>
> --
> Daniel
>
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