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Michael Hanes
‎03-24-2019
Cisco Employee
David Hanes, CCIE No. 3491, is coauthor of the book "Fax, Modem, and Text for IP Telephony". He currently works as an engineer for Cisco's Customer Advanced Engineering (CAE) group supporting various emerging technologies through product testing and field trials. Additionally, David is a technical expert for Cisco in the area of fax over IP (FoIP) technologies and assists with network design and troubleshooting for critical fax over IP deployments.
David Hanes, CCIE No. 3491, is coauthor of the book "Fax, Modem, and Text for IP Telephony". He currently works as an engineer for Cisco's Customer Advanced Engineering (CAE) group supporting various emerging technologies through product testing and field trials. Additionally, David is a technical expert for Cisco in the area of fax over IP (FoIP) technologies an
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Member since ‎09-08-2004
85
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112
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5
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Re: T.38 Fax over IP Design Best Practices - Live Webcast

Created by in Collaboration, Voice and Video Videos
05-24-2011
05-24-2011
Marshall, I am glad to hear that you found the video helpful.-David

T.38 Fax over IP Design Best Practices - Live Webcast

Created by in Collaboration, Voice and Video Videos
12-23-2010
12-23-2010
(view in My Videos)David Hanes is a technical expert in the area of fax over IP technologies. He has...

T.38 Fax over IP Design Best Practices - Questions and Answers from live Webcast

Created by in Collaboration, Voice and Video Documents
12-22-2010
12-22-2010
Introduction David Hanes is an engineer for the Cisco Customer Advanced Engineering (CAE) group supp...

Re: ASK THE EXPERT - T.38 FAX OVER IP DESIGN

Created by in IP Telephony and Phones
12-03-2010
12-03-2010
Hi Kevin,Good to know. I wish I had an explanation for you here but there was obviously a software d...

Re: ASK THE EXPERT - T.38 FAX OVER IP DESIGN

Created by in IP Telephony and Phones
12-03-2010
12-03-2010
This IOS is fairly recent so it should not have the defect that I am thinking about from years ago. ...

Re: ASK THE EXPERT - T.38 FAX OVER IP DESIGN

Created by in IP Telephony and Phones
12-03-2010
12-03-2010
Hi Kevin,Your scenarios sounds pretty basic so I am not sure where you would be picking up so much d...

Re: ASK THE EXPERT - T.38 FAX OVER IP DESIGN

Created by in IP Telephony and Phones
12-03-2010
12-03-2010
ATA187 supports protocol-based or standards-based T.38.Regards,David

Re: ASK THE EXPERT - T.38 FAX OVER IP DESIGN

Created by in IP Telephony and Phones
12-03-2010
12-03-2010
In the past when I have seen this sort of problem, the cause was that the last DCN message was not b...

Re: ASK THE EXPERT - T.38 FAX OVER IP DESIGN

Created by in IP Telephony and Phones
12-03-2010
12-03-2010
Hi Mani,Thanks for the clarifications. It looks like you have a few different scenarios that you are...

Re: ASK THE EXPERT - T.38 FAX OVER IP DESIGN

Created by in IP Telephony and Phones
12-02-2010
12-02-2010
Your MGCP configuration is correct and working fine.Your debug output is interesting... it appears t...

Re: ASK THE EXPERT - T.38 FAX OVER IP DESIGN

Created by in IP Telephony and Phones
12-02-2010
12-02-2010
The ATA187 supports standards-based or protocol-based T.38. From all of the information that I have ...

Re: ASK THE EXPERT - T.38 FAX OVER IP DESIGN

Created by in IP Telephony and Phones
12-02-2010
12-02-2010
I am not familiar with the IMECOM or the Checkpoint Firewall products so it is hard to know what pro...

Re: Outbound FXS Fax Issue

Created by in IP Telephony and Phones
12-02-2010
12-02-2010
Hi John,If my hunch is correct, when the local handset is connected and the same number is dialed, t...

Re: ASK THE EXPERT - T.38 FAX OVER IP DESIGN

Created by in IP Telephony and Phones
12-02-2010
12-02-2010
Hi Amir,I did not realize that you had an MTP in this call flow. There are issues sometimes with MTP...

Re: ASK THE EXPERT - T.38 FAX OVER IP DESIGN

Created by in IP Telephony and Phones
12-02-2010
12-02-2010
Hi Mani,I apologize but I am still a little confused by what you mean by clear channel. In your last...
Public Statistics
Date Registered ‎09-08-2004 10:44 AM
Date Last Visited ‎03-24-2019 10:31 AM
Total Messages Posted 85
Total Helpful Votes Received 112
Helpful Votes From