If this is a vanilla install then the internal.xml profile will be listening on port 5060. Assuming that's where the calls come in from voxbone then what you've set is correct. I would verify your assertions: is voxbone really sending DTMFs via 2833? If so then they should appear in your tshark captures. I would double-check, and if indeed you are not seeing those 2833 packets from voxbone then I would call their support and ask them to verify that they really are set up for 2833. Also, just for confirmation, I would listen to see if the DTMFs come inband and also look in the SIP traffic to see if maybe they are doing something silly like using SIP INFO packets to send DTMF. -MC On Fri, May 18, 2012 at 5:01 AM, Anita Hall <anita.hall@simmortel.com>wrote:

Hi

I am taking DID from voxbone.com, they do not need authentication by login and password, so I have not created a SIP profile. By allowing their IP addresses in acl.conf.xml, I am able to receive incoming calls and media. However, dtmf is not coming. Doing tshark, no RTP event corresponding to dtmf is being received.

Voxbone sends DTMF over rfc2833

I have set in conf/sip_profiles/internal.xml and done reload mod_sofia <param name="dtmf-type" value="rfc2833"/>

But I am not sure if this is the correct place. Is there any other pace where dtmf type can be specified in the absence of a sip profile ?

regards, Anita

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