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Joined: Jan 2011
Posts: 49
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OP
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Joined: Jan 2011
Posts: 49 |
If implementing SIP, I know UDP 5060 has to be open but does the media ports for RTP have to be opened as well for DTMF to work
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Joined: Aug 2003
Posts: 5,154 Likes: 2
Moderator-Vertical, Vodavi
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Moderator-Vertical, Vodavi
Joined: Aug 2003
Posts: 5,154 Likes: 2 |
Yes, and for voice to work.
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Joined: Jan 2011
Posts: 49
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OP
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Joined: Jan 2011
Posts: 49 |
So SIP UDP 5060 is just for the service the media portion is the RTP correct? normally 10000 to 20000
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Joined: Aug 2003
Posts: 5,154 Likes: 2
Moderator-Vertical, Vodavi
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Moderator-Vertical, Vodavi
Joined: Aug 2003
Posts: 5,154 Likes: 2 |
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Joined: Nov 2006
Posts: 16
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Joined: Nov 2006
Posts: 16 |
I would highly recommend IETF publication RFC2833\4733. This document explains just about everything you need to know about transmitting DTMF inband or out of band. This guy explains it and many other SIP topics very well. https://andrewjprokop.wordpress.com/2013/09/27/dtmf-and-rfc-2833-4733/
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