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gkris82
#1 Posted : Friday, January 20, 2012 11:16:58 AM(UTC)
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Hello,

I am using SIP proxy and SIP UA to develop IVR system.
As of now i am able to establish a call, and able to play wave file.
Can you please help me how can i issue a command to collect the Digits when the call is in progress.

Regards,
Gopalakrishna M
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ivx
#2 Posted : Friday, January 20, 2012 1:24:12 PM(UTC)
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Hi,

Currently the only supported way is to accpet SIP INFO dtmf messages.
In RTP dtmf not supported.
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gkris82 on 1/20/2012(UTC)
gkris82
#3 Posted : Friday, January 20, 2012 5:35:21 PM(UTC)
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ivx;4476 wrote:
Hi,

Currently the only supported way is to accpet SIP INFO dtmf messages.
In RTP dtmf not supported.


Thank you very much for your reply. Please let me know Is SIP INFO dtmf functionality already exists or do we need to code it?
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ivx
#4 Posted : Saturday, January 21, 2012 8:56:49 AM(UTC)
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SIP INFO is just SIP request what is set or received on dialog.

Example part:

Content-Type: application/ dtmf-relay

Signal= #
Duration= 120
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CrisW
#5 Posted : Thursday, February 09, 2012 2:47:21 PM(UTC)
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I'm working on a similar problem gkris82, would you like to compare notes?
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gkris82 on 2/14/2012(UTC)
ivx
#7 Posted : Thursday, February 09, 2012 8:07:08 PM(UTC)
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Hi,

For sending DTMF you just create new SIP INFO request and send it.
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gkris82 on 2/14/2012(UTC)
gkris82
#6 Posted : Tuesday, February 14, 2012 6:33:15 PM(UTC)
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CrisW;4531 wrote:
I'm working on a similar problem gkris82, would you like to compare notes?


please help me, in my case i never send digit I only receive digit.
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gkris82
#8 Posted : Tuesday, February 14, 2012 6:37:35 PM(UTC)
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ivx;4534 wrote:
Hi,

For sending DTMF you just create new SIP INFO request and send it.



In My application I never send a DTMF digit , I only receive the DTMF digit ,
how can i issue command to collect DTMF digit (what is the request i need to place to the remote end) entered by remote party . The current status of Channel is Playing of wave file is in progress or completed . please help me.

Regards,
gkris82
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ivx
#9 Posted : Wednesday, February 15, 2012 8:00:16 AM(UTC)
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>I only receive the DTMF digit ,
If DTMF is sent(received) with SIP INFO request, you can process received request - thats all you need to do.
If DTMF is sent over RTP, it's more complex to decode RTP packets.
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FadlAzhar
#10 Posted : Friday, March 23, 2012 3:55:02 PM(UTC)
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Hi,

For this purpose I can recommend Ozeki VoIP SIP SDK, all the needed functions can be created easily. Check it for reference and for sample sources: www.voip-sip-sdk.com/p_1...implementation-voip.html

The support team is also responsive, I am sure everyone with the same questions will get answers.

BR
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