[Asterisk-Users] Sending digits from SIP to Asterisk's VoiceMailMain

[Brian West]

If you can get an rtp debug while your pressing digits I can see if  
maybe your device is sending the digits incorrectly.

/b

On Aug 19, 2005, at 1:46 PM, Innocent Evil wrote:

> my sip phone have dtmf relay: rfc2833
> asterisk sip.conf have dtmf relay: rfc2833 in associated context.
>
> I tried with Inband.. but g729 doesn't support it. I have g729  
> liscence from
> digium
> I havn't try with INFO yet.
>
> I prefer to have rfc2833 as dtmf relay.
>
> Is there any other thing that can cause this issue?
>
> Thanks,
>
>
>
>
>> -----Original Message-----
>> From: jgault at winworld.cc
>> Sent: Fri, 19 Aug 2005 14:21:27 -0400
>> To: asterisk-users at lists.digium.com
>> Subject: Re: [Asterisk-Users] Sending digits from SIP to Asterisk's
>> VoiceMailMain
>>
>> It sounds to me like an issue of transmitting DTMF tones from the SIP
>> phones.
>>
>> There are several methods that can be used to accomplish DTMF from  
>> SIP
>> phones.  Of course, you may ask why it isn't just sent as audio  
>> (like a
>> regular POTS phone would.)  What happens if you are using a SIP  
>> phone,
>> hold down the number 4 button for two seconds (so it sends 2 seconds
>> worth of DTMF on the audio stream) and there is some packet loss  
>> during
>> that time?  You'll have an audio dropout (thus, tone followed by  
>> brief
>> silence and tone again.)  The remote end will see this as two  
>> tones, not
>> one, which obviously can cause undesired results (and is why it's  
>> not a
>> good idea to send DTMF in the audio stream.)
>>
>> That being said, look in your sip.conf for a dtmfmode parameter.  You
>> can use inband (in the audio stream, not recommended), RFC2833, or  
>> SIP
>> INFO.  Your SIP phone should also allow you to set how DTMF is sent
>> (although it may not support all of these formats.)  Preferably, use
>> RFC2833 or SIP INFO.  Find a setting that is available on your  
>> phone and
>> on *, and make sure they're set to match.  Once you do that, it  
>> should
>> work.
>>
>>           Jeremy
>>
>> Innocent Evil wrote:
>>
>>
>>> Hi,
>>>
>>> I am using Asterisk cmd VoiceMailMain to manage voice mail.
>>> Problem is, voice mail box can't read password sent from SIP  
>>> phone, but
>>>
>> I
>>
>>> don't have any problem to read password from the handset attached  
>>> to my
>>> asterisk box.
>>>
>>> Your help will be greatly appreciated.
>>>
>>> Thanks,_______________________________________________
>>> Asterisk-Users mailing list
>>> Asterisk-Users at lists.digium.com
>>> http://lists.digium.com/mailman/listinfo/asterisk-users
>>> To UNSUBSCRIBE or update options visit:
>>>   http://lists.digium.com/mailman/listinfo/asterisk-users
>>>
>>>
>>>
>>
>> --
>> Jeremy Gault, KD4NED    <jgault at winworld.cc>
>> Network Administrator, WinWorld Corporation
>> Member: Bradley County ACS/RACES/SkyWarn
>> voice: +1.423.473.8084  fax: +1.423.472.9465
>> fwd: 461771             msn msgr: jgault at winworld.cc
>>
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