[Freeswitch-dev] DTMF issue on playback command with openzap

Wed Jun 25 11:40:26 EDT 2008

Anthony,

Yes, it does work with echo canceller off.  But without echo canceller, when we bridge 2 calls together, we have echo on the line for the voice and
the DTMF.  For the DTMF, its crazy, one DTMF can loop forever.  I'm genna contact sangoma to do a follow up on that, but do you have any T1
card provider that works without any problem that you guys work with?

Thanks.

SL

From: freeswitch-dev-bounces at lists.freeswitch.org [mailto:freeswitch-dev-bounces at lists.freeswitch.org] On Behalf Of Anthony Minessale
Sent: Wednesday, June 25, 2008 10:30 AM
To: freeswitch-dev at lists.freeswitch.org
Subject: Re: [Freeswitch-dev] DTMF issue on playback command with openzap

just for fun try it with the echo canceler off.
I know for a fact that sangoma's echo canceler messes up the soft dtmf.

see the power of details? ;)

On Tue, Jun 24, 2008 at 6:43 PM, Steve Laroche <slaroche at ip5.com<mailto:slaroche at ip5.com>> wrote:

I'm driving the call with an IVR outside of the freeswitch using event_socket.  I'm using

digital lines.  In fact, they are T1 with DMS100 protocol connected to a sangoma card.

The driver I'm using for the sangoma card is wanpipe-3.2.5.  This card have echo

canceller activated on.

IVR originate a call through event_socket :

bgapi originate openzap/1/a/5147884250 &park()

The call is originated to a PSTN phone.

When IVR receive the events from event_socket confirming the call is connected, IVR

send a playback command :

SendMsg uuid

call-command: execute

execute-app-name: playback

execute-app-arg: /usr/local/freeswitch/sounds/mission_vm.wav

Audio file is about 25sec long, so when the playback is executed on line, I enter DTMF

on my PSTN phone.

I'm collecting the DTMF events with my system that drives the event_socket. It's

basically my test.

Thanks.

SL

From: freeswitch-dev-bounces at lists.freeswitch.org<mailto:freeswitch-dev-bounces at lists.freeswitch.org> [mailto:freeswitch-dev-bounces at lists.freeswitch.org<mailto:freeswitch-dev-bounces at lists.freeswitch.org>] On Behalf Of Anthony Minessale
Sent: Tuesday, June 24, 2008 6:39 PM

To: freeswitch-dev at lists.freeswitch.org<mailto:freeswitch-dev at lists.freeswitch.org>
Subject: Re: [Freeswitch-dev] DTMF issue on playback command with openzap

I understand your problem so you need not repeat anything you have already posted.

please describe in detail exactly what you are doing and how
when you say openzap specify if it's analog or digital etc

I still cannot tell how you are using openzap in this scheme

are you saying you are doing something like:

originate openzap/1/a/12121231234 1000

to call your pots phone and xfer to 1000

where an ivr is collecting dtmf?

On Mon, Jun 23, 2008 at 2:04 PM, Steve Laroche <slaroche at ip5.com<mailto:slaroche at ip5.com>> wrote:

Anthony, do you need more info ?

From: freeswitch-dev-bounces at lists.freeswitch.org<mailto:freeswitch-dev-bounces at lists.freeswitch.org> [mailto:freeswitch-dev-bounces at lists.freeswitch.org<mailto:freeswitch-dev-bounces at lists.freeswitch.org>] On Behalf Of Anthony Minessale
Sent: Monday, June 23, 2008 2:33 PM

To: freeswitch-dev at lists.freeswitch.org<mailto:freeswitch-dev at lists.freeswitch.org>
Subject: Re: [Freeswitch-dev] DTMF issue on playback command with openzap

please describe the entire path of the call and what protocol is involved on the example that does not work.

starting with the telephone that placed the call all the way to the telephone or ivr that revived it.

On Mon, Jun 23, 2008 at 1:20 PM, Brian West <brian at freeswitch.org<mailto:brian at freeswitch.org>> wrote:

You still didn't answer what was receiving the audio.  If its OpenZAP that means its inband.  But can you elaborate more on the path?  If the audio has ANY gaps in it the DTMF will be double detected but I need to know more about that before I can tell what is going on.

/b

On Jun 23, 2008, at 1:14 PM, Steve Laroche wrote:

Instead of 123456789012345678901234567890* I receive 1344455677890223444567890233344455567890*.  While for all the other test that I did I do receive 123456789012345678901234567890*.  I did this test many time and always the same result, I have an issue with DTMF when playback is running and the call is originate through openzap.

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