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VoIP Security Raises Its Ugly Head

Posted Thursday, April 10, 2008 9:04 AM by mgilbert :: 0 Comments
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For some time we've known that there are issues related to deploying VoIP and IPT systems. One of them is powering the phones. Of course there are solutions for that, most notably Power Over Ethernet ( PoE ). Another issue is E911 support. A great Read More...

PodSnacks: SIP Trunking

Posted Friday, January 11, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2008q1/sip_trunking.mp3
Recently, we spent a little time defining the concept of IP trunking , and I promised to talk a bit about a close cousin: SIP trunking . Today's the day. SIP trunking can be thought of as IP trunking plus signaling. One way of thinking of it is by Read More...

PodSnacks: IP Trunking

Posted Tuesday, January 08, 2008 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2008q1/ip_trunking.mp3
Recently, I found myself trying to explain the difference between SIP trunking and IP trunking to my students. I thought it would make a good PodSnack topic, so here we go. Today we're going to focus on what IP trunking is. The concept is simple, Read More...

PodSnacks: Real-time Transport Protocol

Posted Wednesday, December 05, 2007 6:00 AM by mgilbert :: 1 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q4/rtp.mp3
Since we spent a little time talking about the User Datagram Protocol (UDP) yesterday, this seemed like a good time to take a look at another Transport Layer function that is increasingly important today: the Real-time Transport Protocol (RTP). RTP plays Read More...

PodSnacks: IPT vs. VoIP

Posted Wednesday, November 21, 2007 6:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q1/voip-vs-ipt.mp3
The world is abuzz about convergence . Actually, it's been abuzz for quite some time, so we're all a bit dizzy. However, convergence (which is partly about the bringing together of voice, video, and data into common networks, services, applications, Read More...

Vonage Settles Again!

Posted Friday, October 26, 2007 9:58 AM by davet :: 0 Comments
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In many tHAWTs, we have mentioned the trials of Vonage with their VoIP telephone service. The saga began with Verizon suing for infringement of its patents. Finally, Vonage and Verizon have reached an agreement. Get the details here . Read More...

tHAWT Episode #74: Wal-Mart-ization, is that a word?

Posted Sunday, September 23, 2007 9:45 PM by thindson :: 3 Comments
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Attachment(s): http://hill-vt.com/podcast/tHAWT/tHAWT_09212007.mp3
In this episode of tHAWT, Mark and Trevor discuss the range of new entrants into what would seem an already very competitive area of VoIP (or is that IP Telephony). In open news there is still speculation on Google’s mobile phone, and IBM is announcing Read More...

PodSnacks: Rating Factor

Posted Monday, September 17, 2007 7:00 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q3/rating_factor.mp3
Now that we have Mean Opinion Score (MOS) under our belts (Friday's PodSnack), might as well look at a related term: rating factor . Once again, we'll ask Paul to explain it to you. As always, you can listen to (or download) today's PodSnack Read More...

PodSnacks: Mean Opinion Score

Posted Friday, September 14, 2007 7:03 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q3/mos.mp3
Another request we received was to say a few words about something called a Mean Opinion Score (MOS). Not sure what that is? Well, the name all but gives it away. It's an average, also known as the "mean." It's an opinion, so we know Read More...

PodSnacks: H.248 and MEGACO

Posted Thursday, September 13, 2007 6:53 AM by mgilbert :: 0 Comments
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Attachment(s): http://podcast.hill-vt.com/podsnacks/2007q3/h.248.mp3
We've received a few requests, so we though we'd tackle a few of them for our faithful listeners. One of those requests take us back into the world of Voice over IP (VoIP). You remember that beast, don't you? Voice running across data networks Read More...

tHAWT Episode #65 Nowhere to hide

Posted Sunday, July 22, 2007 7:24 PM by thindson :: 0 Comments
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Attachment(s): http://hill-vt.com/podcast/tHAWT/tHAWT_07202007.mp3
For this episode it initially looked like Paul was going to have to conduct it by himself, however it is very hard to hide from Paul, no matter where you are. This is a short but to the point episode covering various wireless and VoIP news items and not Read More...

It's official - Skype is now mainstream

Posted Monday, May 21, 2007 11:04 AM by davet :: 0 Comments
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Skype pre-paid calling cards are now available from Wal-Mart. For sometime Wal-Mart has sold Skype phones and headsets. Today they have stepped up their support with a variety of calling card options for their customers. Just one more sign that Skype Read More...

Our TV Star

Posted Wednesday, May 16, 2007 8:32 AM by thindson :: 0 Comments
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Included as part of their Savings Secrets theme, there was some interest from our local TV news service here in Vermont about this "free" way of making telephone calls . Our chief ham, Todd, stepped up to the plate to discuss and demonstrate Read More...

tHAWT Episode #48: Hot and Virtuous

Posted Friday, March 23, 2007 6:19 PM by mgilbert :: 1 Comments
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Attachment(s): http://hill-vt.com/podcast/tHAWT/tHAWT_032307.mp3
In this episode , Mark , and Trevor , and Michel spend a bit of time talking about the recent 8th Circuit Court decision upholding the FCC rules about VoIP, an Internet application called Grand Central, the status of Vonage, and they say bye bye to cell Read More...

tHAWT Episode #46: So Much Stuff

Posted Saturday, March 10, 2007 10:11 AM by thindson :: 2 Comments
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Attachment(s): http://hill-vt.com/podcast/tHAWT/tHAWT_030907.mp3
In this episode , Mark , Peter and Trevor ponder the amount of information that is being generated and also being stored. It seems that no matter how much capacity we gather to hold information we are able to generate far more. Whats more, what was once Read More...
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