[SIPForum-discussion] DTMF on SIP

[ridhuan yusof]

Hi,

I also face similar problem with Murali...Can anyone briefly explain the
difference between SIP INFO, In Band and RFC 2833 DTMF method...

Regards,

Ridhuan

On Fri, Sep 3, 2010 at 12:04 AM, Underwood, Rosa <
rosa.m.underwood at verizon.com> wrote:

>  RFC 4733 might be able to help you.  For background, you can refer to RFC
> 2833, which I believe  was obsoleted by RFC 4733.
>
>
>
> *From:* discussion-bounces at sipforum.org [mailto:
> discussion-bounces at sipforum.org] *On Behalf Of *murali shankar
> *Sent:* Wednesday, September 01, 2010 8:57 PM
> *To:* discussion at sipforum.org
> *Subject:* [SIPForum-discussion] DTMF on SIP
>
>
>
> Dear All,
>
>             Please clarify me on the below quries
>
>           1.How to find the DTMF option is accepting while making a call
> through sip gateway ?
>           2.Is there any relation between codec and DTMF signaling?
>           3.Will the DTMF will get reverse? i.e if we enter the digit 1234
> will it reply as 4321?
>
>
> Thanks,
> Murali
>
>
>
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