[Asterisk-Users] DTMF detection

[Darren Wiebe]

We had this problem a few months ago but they resolved it for us.  I 
really don't remember more than that.

Darren Wiebe
darren at aleph-com.net

Tom Vile wrote:

> I have been battling this problem for 2 months with no resolution as 
> of yet with TelaSIP.  I am told that it is a provider problem(Level 3) 
> because all TelaSIP is doing is passing the call directly to them once 
> the call comes through.
>
> Anyone else having this issue with TelaSIP or Level3?
>
> On 10/10/05, *John Millican* <john at millican.us 
> <mailto:john at millican.us>> wrote:
>
>     Hello all,
>     yes there is a lot of information about this on the wiki and in
>     past posts on
>     this list but have not found anything that has solved my problem.
>     setup is:
>     phone-->PAP2-na-->asterisk v1.0.9(in house on local subnet dtmf is
>     inband)--->PSTN--->Telisip---->asterisk box at colo v1.0.9 VoIP
>     only.  I have
>     only access to dial up so can not go VoIP out of the house.
>     In extensions.conf  on colo * i have some logic that based on
>     callerid lets me
>     hit a single digit to get to DISA, this work every time.
>     the problem is that when i enter a number for DISA to dial i get
>     duplicate
>     digits, example i enter 6037862111 and disa tries to dial
>     6003778621.  I have
>     tried setting relaxdtmf=yes in sip.conf with no luck.  I have read
>     on the
>     wiki that RFC2833 should work, but alas its a no go.  I am also
>     using ulaw
>     which should not be distorting the dtmf through compresion,
>     correct? Also
>     with RFC2833 it should not matter? Everything works great
>     otherwise. sip.conf
>     for colo * is posted below:
>     [general]
>     context=telasip
>     port=5060
>     bindaddr=0.0.0.0 <http://0.0.0.0>
>     srvlookup=yes
>
>     disallow=all                    ; First disallow all codecs
>     allow=ulaw
>
>     register => username:password at gw3.telasip.com
>     <mailto:username:password at gw3.telasip.com>
>
>     [telasip]
>     type=peer
>     username=*****
>     fromuser=*****
>     authname=*****
>     secret=*****
>     host=gw3.telasip.com <http://gw3.telasip.com>
>     context=default
>     dtmfmode=RFC2833
>     disallow=all
>     allow=ulaw
>     canreinvite=no
>     nat=no
>
>     Thanks in advance for any help
>     John Millican
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>
>
> -- 
> Tom Vile
> Baldwin Technology Solutions, Inc
> Consulting - Web Design - VoIP Telephony
> www.baldwintechsolutions.com <http://www.baldwintechsolutions.com>
> Phone: 518-631-2855 x205
> Fax:     518-631-2856
>
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