[Freeswitch-users] Prolems with DTMF

Wed Jun 3 08:35:17 PDT 2009

Is there a possibility to activate all DTMF detection modes (in-band, SIP INFO & RFC 2388) in the same dialplan or maybe in the same extension of the dialplan?

Greetz

----- Ursprüngliche Mail -----
Von: "Michael Collins" <msc at freeswitch.org>
An: freeswitch-users at lists.freeswitch.org
Gesendet: Dienstag, 2. Juni 2009 21:29:19 GMT +01:00 Amsterdam/Berlin/Bern/Rom/Stockholm/Wien
Betreff: Re: [Freeswitch-users] Prolems with DTMF

On Tue, Jun 2, 2009 at 11:37 AM, Rudolf Denert < rdenert at tng.de > wrote: 

Hello, 

I'm not sure which one is it. But I think I send the digits in RFC 2833. All devicves are supporting RFC 2833. 

Actually, that's very interesting. The start_dtmf app looks for in-band DTMFs, so if you have to have that in order to hear digits from the other end then the other end most definitely isn't doing RFC2833. 

For the sake of testing, try sending in-band and see how the other end reacts. Might want to check this out: 
http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_start_dtmf_generate 

My guess is that the equipment along the way is futzing with things. FreeSWITCH does break easily but it does find bugs in other VoIP systems that it talks to... :) 

-MC 

The equipment: 
(VoATM) 
Allied Data Copperjet 1614 (ISDN) 
Siemens Euroset 5020 phone 

(MGCP) 
Thomson SpeedTouch 780WL 
Siemens Euroset 5020 phone 

(SIP) 
AVM Fritz!Box 7170 
Siemens Euroset 5020 phone 

If necessary I can send my configuration. 

Greetz 

----- Ursprüngliche Mail ----- 
Von: "Michael Collins" < msc at freeswitch.org > 
An: freeswitch-users at lists.freeswitch.org 
Gesendet: Dienstag, 2. Juni 2009 20:18:41 GMT +01:00 Amsterdam/Berlin/Bern/Rom/Stockholm/Wien 
Betreff: Re: [Freeswitch-users] Prolems with DTMF 

On Tue, Jun 2, 2009 at 9:18 AM, Rudolf Denert < rdenert at tng.de > wrote: 

Hello, 

I have problems with sending DTMF. The freeswitch server recieves the digits from my telefon (SIP account) if I activate DTMF with: 
<action application="start_dtmf"/> 
in my dialplan. 

The line 
<--param name="dtmf-type" value="rfc2833"/--> 
in sofia.conf.xml is active, too. 

But than I have the problem that the other phone doesn't work. It is a VoATM device. The curious thing is that I see the digits in the logfile whiche were sent from the phone. In the first example I saw nothing. 

Does anybody have an idea??? 

Are you trying to send digits inband or RFC2833? Unless there's a compelling reason not to, we recommend 2833. What is the equipment on the far end looking for? 

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-- 
-- 
Rudolf Denert, Technical Support
TNG AG, NGN
Projensdorfer Str. 324, D-24106 Kiel, Germany
phone: +49 431 7097-10, fax: +49 431 7097-555
mailto: rdenert at tng.de http://www.tng.de
-
Register: Amtsgericht Kiel, HRB 6596 KI
Supervisory board (Aufsichtsrat): Stefan Scheuermann (Vorsitz)
Executive board (Vorstand): Dr. Sven Willert (Vorsitz),  Dr. Thomas
Rohwer, Sven Schade, Carsten Tolkmit, Dr.-Ing. Volkmar Hausberg
Tax-Id (Steuernr.): 1929112637, VAT-Id (USt-Id): DE225201428
-
This e-mail may contain confidential and/or privileged information. If
you are not the intended recipient (or have received this e-mail in
error) please notify the sender immediately and destroy this e-mail. Any
unauthorized copying, disclosure or distribution of the material in this
e-mail is strictly forbidden.

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Informationen. Wenn Sie nicht der richtige Adressat sind oder diese
E-Mail irrtümlich erhalten haben, informieren Sie bitte sofort den
Absender und vernichten Sie diese Mail. Das unerlaubte Kopieren sowie
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