[Freeswitch-users] RFC2833 double-digits

[Brian West]

What device are you using?  RTP traces, debug logs something to see  
what might be taking place.?!?!

/b

On Jun 12, 2009, at 1:59 PM, Ben Jones wrote:

> Hi all,
>
> We're running into a problem with rfc2833. Here's the situation:
>
> A registered SIP endpoint sends DTMF as rfc2833 to our FreeSWITCH.
> The FS console shows it receives the digits once.
> We send the call to a tier-1 carrier
> The digits are played read back, but often the first several digits  
> are
> repeated, i.e., 'Sorry, 1, 1, 2, 2, 3, 4 is not a valid password' when
> the user entered '1234.'
>
> When I was testing this recently, the call was sent to a Cisco  
> gateway,
> which the documentation* states has problems with rfc2833, just like
> Sonus gateways, although that should be fixed past revision 10744.
>
> When using inband, everything works great. We are using
> start_dtmf_generate in the outbound dialplan. DTMF to tier-1 providers
> is inband. My initial thought was that the tier-1 was receiving  
> rfc2833
> and inband, but it's not consistent.
>
> I'm sure more information will be requested of me to help  
> troubleshoot,
> so please let me know. Any advice would be very much appreciated.
>
> *http://wiki.freeswitch.org/wiki/RTP_Issues

Brian West
brian at freeswitch.org

-- Meet us at ClueCon!  http://www.cluecon.com




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