[Freeswitch-users] Hook flash/ flash support in FreeTDM

[Kalyani Kulkarni]

Any pointers on supporting Flash with FreeTDM???

On Wed, Oct 8, 2014 at 5:51 PM, Kalyani Kulkarni <kalyaneekulkarni at gmail.com
> wrote:

> Hello,
>
> I have a Sangoma A200 with 2 FXS and 2 FXO ports plugged into FreeSwitch
> and configured through wanpipe and FreeTDM. Incoming and outgoing calls
> work fine controlled through ESL.
> FS version is 1.4.8
> wanpipe driver: 7.0.8
> libsng_isdn: 7.29.0 for x86_64 machine
> OS: centos 6.4
>
> I'm testing call hold/swap functionality. I'm using send_dtmf api to send
> 'F' followed by the number to simulate flash and dial a number on FXO line
> but the FS log shows following error:
>
> 2014-09-10 11:13:29.425811 [DEBUG] ftdm_io.c:3983 [s2c1][1:1] Generating
> DTMF [F1xxxxxx6146]
> 2014-09-10 11:13:29.425811 [ERR] ftmod_wanpipe.c:909 [s2c1][1:1] Wanpipe
> failed to execute command 18: Success
> 2014-09-10 11:13:29.425811 [ERR] ftdm_io.c:3576 I/O backend does not
> support command 18!
>
> command 18 corresponds to FTDM_COMMAND_FLASH but looks like it is not
> supported. On FS mailing list I saw one post where it was mentioned that
> this support is present but not clear whether it works end to end (
> http://lists.freeswitch.org/pipermail/freeswitch-users/2010-September/062649.html).
> What could be wrong? I've set analog-options in freetdm.conf.xml.
>
> Has anyone experienced this? Any suggestions?
>
> Thanks,
> Kalyani
>
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