IP Convergence: Beyond VoIP, Beyond Cost Savings - Asides

Harvard visit

Fri, 02 May 2008 00:46:26 +0000

Monday I had the pleasure of re-connecting with a former professor of mine, Nolan Bowie. He was gracious enough to allow me to guest lecture his class which focuses on the future of communications media and the intersection with public policy. I was honored to be asked to share my experiences and insights with such a diverse and eclectic group of truly gifted students.

It was extremely refreshing to engage with Professor Bowie whose ideas are both provocative and conventional at the same time. His ideas are provocative because they challenge the established interests in fundamental ways. But his ideas are conventional because they simply take established policy in one area and apply it in another. For example, just putting the label “national security” on something can dramatically change the way people address a concern. If economic competitiveness is a matter of national security and broadband deployment is a critical component of economic competitiveness, then massive government investment in broadband infrastructure doesn’t seem all that radical, and in fact seems down right conventional.

One of the reasons I was eager to guest lecture was to put forth the idea that the regulatory decision-making process is an obstacle to competition and that these future policy makers at the JFK School of Government need to consider how the decision making process impacts competitors and their service offerings. I have authored a paper on this topic which I will present at the 17th Biennial Conference of the International Telecommunications Society in Montreal on June 25th. (The paper should be on their website after May 5th for those of you interested in reading it.)

IMPORTANT!!! SIP 4.0 defined.

Tue, 01 Apr 2008 20:30:33 +0000

Click here for the SIP 4.0 IETF Draft!

Be sure to note date of posting...

Adam "voiploser" Uzelac

DISCLAIMER: The comments here are mine only. They don't necessarily reflect intelligence, refined thoughts, or anything that the reader should take too seriously. Should the reader expect a polished thought process in the content addressed here, then a strong dose of medication should be prescribed to address that misconception.

and from the "No taps for you" department...

Tue, 15 Jan 2008 15:06:53 +0000

This one is a beauty - on Jan. 10th of this month, the ACLU issued a statement that reported that a FBI wiretap was "unplugged" due to a lack of payment. The ACLU is quick to point out that this action was taken from the same telecoms that permitted the tap without the proper approvals...

From Michael German, ACLU National Security Policy Counsel: "It seems the telecoms, who are claiming they were just being "good patriots" when they allowed the government to spy on us without warrants, are more than willing to pull the plug on national security investigations when the government falls behind on its bills."

Adam "voiploser" Uzelac
DISCLAIMER: The comments here are mine only. They don't necessarily reflect intelligence, refined thoughts, or anything that the reader should take too seriously. Should the reader expect a polished thought process in the content addressed here, then a strong dose of medication should be prescribed to address that misconception.

The VoIPloser is getting frozen with his iMAC

Tue, 13 Nov 2007 16:49:35 +0000

I so wish I wasn’t typing this. If you are a new iMAC user – then you might be aware of a certain problem that Apple is denying left and right. The symptoms started manifesting itself a couple of weeks after we got the machine. I think that it’s important to recall the situation I was in that led me to a MAC in the first place – it’s a struggle I went through with myself and my family, who were all used to PCs and Windoze.

So this is what’s going on – the darn machine just freezes for no apparent reason. This was first reported by my better half. I did some investigation after rebooting and didn’t notice anything out of the ordinary. As the machine came with 90 days of free technical phone support, I called Apple. They introduced me to the “Kernel Panic”. For those not in the know, it’s the Apple equivalent of the Blue-screen of death (BSOD) in the Windoze world. The tech on the line told me it’s most likely due to software I installed, so I removed a bunch of stuff that I downloaded – but still the problem occurs. Lately, it’s gotten worse. So much so that there’s a significant return in a simple Google search on this topic. At the time of this writing, there are approximately 352k returns to that search. I bet all the money in my front right pocket that this number will only grow in time.

The culprit, at least according to the peanut gallery, seems to be Video Card related, but without Apple stepping up to the plate and stating such – it’s all speculation. I am going to have to drop my brand new 20-inch aluminum iMAC off to the store that I got it, and hope that it doesn’t take too long to get fixed, AND that it gets fixed.

Consider this either a warning, or a plea for help – either way, it is what it is.

Adam “voiploser” Uzelac

DISCLAIMER: The comments here are mine only. They don’t necessarily reflect intelligence, refined thoughts, or anything that the reader should take too seriously. Should the reader expect a polished thought process in the content addressed here, then a strong dose of medication should be prescribed to address that misconception.

Proprietary versus Open – the argument never ends.

Tue, 28 Aug 2007 20:24:40 +0000

Proprietary versus Open – the argument never ends.

I come to this topic due to it’s reoccurrence in my professional and personal meanderings. As I mostly discuss my professional life, I will dwell on my current personal life dilemma as a Joe-Shmoe consumer. I need a new personal computer at home for the family. I have a Windoze something box on circa 1912 hardware, and I am constantly being reminded that “the Internet is down” by the users of said appliance. If I were a betting man, I would put my money on this box being riddled with junk-ware, viruses, and other “badness”. The main reason the “home” computer got to this state is that I am NOT the primary user. A matter of fact, I avoid using that thing at all costs. I would rather prick every tip of my fingers 10 times, than apply them to the keyboard of that device. It’s gotten to the point now, that I wouldn’t wish using that computer on my worst enemy.   So it’s high time that I get a replacement for the household.   I accept the fact that my karma is at an all time low by permitting this to happen. I have been a poor technical advisor to this household. I need to grab some positive karma here, and I am going to start by getting new computer.

As I see it, in today’s day and age I have 3 solid choices. 1) I could get another Windoze box from Dell or something. 2) I could get a linux distribution like Ubuntu on new hardware, (also available from Dell now) or 3) I could get a MAC.

Windows and Linux are the most cost-efficient options due to the “open-ness” and variety of the hardware. Apple is more proprietary in their hardware approach, but that’s changed somewhat when they moved to the Intel x86 chipsets.   Now with this cost and option advantages, comes some sacrifice in stability and predictability. And THIS I see as the main argument in the ‘Proprietary versus Open’ argument. Apple MACs have a strong and worthy reputation for it’s stability and ease of use. This can be attributed the confined hardware environments that MAC operating system functions within.   If the HW is restricted to known elements, then the SW can be deliberately engineered with safe assumptions. The same can not be said for Windows and Linux. There’s a price to be paid for that stability and predictability, and the big question for me; is it worth the price?

I have no idea how this is going to end up, and I should also mention that I tend to be a bit stingy at times.   I think it’s time to get the eight-ball out to help me with this quandary.

Now for a little about the proprietary versus open standards argument in the world of telecommunications, specifically VoIP. Excellent examples of both exist, with successes on both sides. First on the proprietary front I will reference Skype. Skype claims millions of users world-wide, and I would venture to guess that Skype has a deeper penetration among the digitally literate folks outside of the US versus inside. I am an active user of Skype and it's functionality along with ubiquity within my peer circles keeps it that way. BUT - there are some downsides, and first and foremost is the fact that if I want or need to communicate with a user that isn't on Skype, I am relegated to using the PSTN (which means it costs me). There was also the rather well documented Skype outage last week.

On the other hand, we have the Gizmo Project (from SIP Phone), which purports on it's website the following:
Founding Principles "At the core of Gizmo Project is a commitment to open standards, which is critical to deliver the true potential of VoIP. SIPphone believes that like web pages, email and IM, calls should be free. And we believe the more people you can call the better. Which is why we use the industry VoIP standard, SIP." I also am a subscriber and user of Gizmo, but much less frequently than Skype. I am a firm believer in open standards, hence the reason I subscribe, and use when I can Gizmo - but at the same time, when I need to talk/chat/communicate/etc with folks online, I find myself using Skype more.   Does that make me a Skype-o-phile? Not really, it's more that I need to "go" where the folks that I am interested in communicating with are.

By the way - if you were wondering, I am voiploser on both Skype and Gizmo.

Adam "voiploser" Uzelac

The Seven Wonders of Telecommunications

Mon, 09 Jul 2007 19:55:52 +0000

The Seven Wonders of Telecommunications

This is a post that was inspired by the latest poll results on the latest Seven Wonders of the World. In case you missed the list: The final tally produced this list of the world's top human-built wonders: Link here

· The Great Wall of China
· Petra in Jordan
· Brazil's statue of Christ the Redeemer
· Peru's Machu Picchu
· Mexico's Chichen Itza pyramid
· The Colosseum in Rome
· India's Taj Mahal

I created this list with telecommunications as the focus, and the criteria involved technologies and products that had the broadest and most significant impact to telecommunications.

1) The telephone - I believe this should fall in the “Ya think?!?!” category. Humans have an insatiable urge to communicate, and the phone was the first and most significant step to communications across a significant (beyond yelling) distance. I will say that, at times, yelling can be more effective though. ;)

2) The modem – Here I am referring to the Hayes Communications “Smartmodem” that became the standard for digital communications across an analog network (POTS)

3) TCP/IP – The Internet protocol suite. With the importance of the Internet, this is more/less a no-brainer.

4) SIP – Session Initiation Protocol has won out as the defacto standard for Voice over IP and its associated applications.

5) Ethernet – The reason Ethernet is listed here is simply due to its simplicity. The LAN standard just isn’t difficult to understand and use. With Ethernet creeping into the WAN as well, things are getting bigger, faster and less expensive.

6) WIFI – This article here explains it all. WIFI more important than Starbucks coffee?!?!? That puts is on the list of seven!!

7) Asterisk – I am putting this open-source IP-PBX due to the fact that it single-handedly exposed the craziness in IP-PBX pricing models. It’s better, fast, and a whole heck of a lot cheaper. This would need to get some more maturity before it made the “all-time” list.

Adam “voiploser” Uzelac

Google buying Grand Central

Mon, 25 Jun 2007 14:11:49 +0000

While enjoying my morning coffee and skimming the headlines from the weekend, it appears that TechCrunch broke the story yesterday that Grand Central is being bought by Google.

&

If you aren't knowing what Grand Central is, allow me to priovide a quick run-down. The entire concept is built around the 1-number ideal. Here are some of the features: (from their website)

Screen Callers
Know who's calling and screen unknown callers

ListenIn
Hear why someone is calling before taking the call

Call Record
Record calls on the fly and access recordings online

Block Callers
Unwanted callers won't be able to reach you anymore

Notifications
Receive voicemail notifications via email or SMS

Ring Different Phones
One number that rings different phones based on who's calling

Greetings
Personalize your voicemail greetings by caller or group

RingShare
Go beyond the ring and choose ringback tones for your callers

WebCall Button
Let people call you from a web page without showing your number

CallSwitch
Switch phones in the middle of a call

Click2Call
Call from your addressbook and save your typing

Mobile Access
Visual voicemail for your mobile phone

So why is Google interested in Grand Central? Well think of the possibilities if you combine the above services with gmail and gtalk?!?!? It looks to me that Google is going to be taking Skype on head-first.

Adam "voiploser" Uzelac

The Best Webcomic Going!

Tue, 19 Jun 2007 13:44:01 +0000

WARNING - THIS HAS NOTHING TO DO WITH TELECOM...

This post is simply a public service announcement for those that need a good laugh. When I am feeling a little down, or less joyful than usual, I navigate my attention to www.xkcd.com -"A webcomic of romance, sarcasm, math, and language". for some comedic relief. In my very humble opinion, it does the trick everytime! Enjoy.

Here's a sample:

Adam "voiploser" Uzelac

Canaries in the MVNO Coal Mines

Fri, 08 Jun 2007 19:42:48 +0000

For those of you that don't know the adage of the "canary in the coal mine" - this was a practise of miners years ago, where they would bring caged canaries into the coal mines, and if the air got so bad that the canaries died, it was certain that the miners would be in trouble soon. Well....

In case you missed it, Amp’d mobile recently filed bankruptcy. Filing for bankruptcy isn’t anything new in the telecom world, but this particular development is telling of all the hype around MVNOs. Couple this information with ESPN’s failed MVNO, it’s logical to believe that the brand-specific/content-specific MVNO business plan is nothing but hype.
From this article and specifically the bankruptcy filing:

Amp'd Debt:
•   $33 million to its infrastructure/network provider Verizon Wireless,
•   handset provider Motorola—$16 million;
•   Vivendi about $10 million,
•   BestBuy about $8 million;
•   MTV Networks about $1.8 million; and others.
In total, the total debt is more than $100 million

I leave you with this interesting headline from the MVNO Summit of 2006:

Mobile ESPN and Amp'd Mobile Headline the 2006 MVNO Summit; Industry Meeting Place for the Premier Brands in the Mobile Market

I don't make these things up people.

Adam "voiploser" Uzelac

The Mother of all Wifi-Access Devices

Thu, 31 May 2007 12:56:15 +0000

The slurpr combines multiple wifi (or in French wee-fee) network access interfaces, and then attempts to concatenate them to provide an aggregate bandwidth.

So this guy meets up with a buddy in Amsterdam and ponders over some drinks about all the open wireless access points in the city. The next thing you know, one of them actually attempts to build something to take advantage of all the “openness”. Catch the story here.

There appears to be some legal ambiguity to these situations though – see how this guy was arrested for lurking on a coffee-shop’s wifi network without buying coffee.

By using a wardriving device, uncovering open wifi hot-spots to exploit, errr - I mean use, is a favorite pastime for numerous geeks, nerds and/or folks desperate to get an Internet fix.

But then again - you don't need an automobile to wardrive....

Adam “voiploser” Uzelac

Vodafone and the iPhone

Thu, 24 May 2007 19:01:48 +0000

I see on Om Malik’s blog they have taken notice of Vodafone’s efforts to provide their own branded handsets to customers. This of course is occurring in the shadow of Apple’s iPhone launch next month.

Now I have previously mused about the impact the iPhone will have on the marketing of mobile phone services and what it means for network operators. I guess Vodafone’s efforts are intended to head off the device manufacturers before they gain too much power. But that still leaves AT&T with the iPhone. Considering the amount of money they just spent rebranding Cingular to AT&T, to eclipse that brand now with the iPhone I think just muddies the waters further them. Of course this wouldn’t be the first time AT&T has had a mis-step, but we’ll just have to wait and see what happens.

Oh, the things you can do with VoIP…

Wed, 23 May 2007 14:33:13 +0000

This ‘How-to’ article about taking VoIP to places beyond just voice is fantastic! Below is a list of some atypical things that can be done with VoIP: (complete list at link above)

Call Mapping
Question: How do I know where my incoming calls are coming from?

Caller ID on TV
Question: How do I add VoIP to my TV?

Call Recording
Question: How do I record all of my calls?

Call Encrypting
Question: How do I protect my call privacy and data?

Document Editing
Question: How do I collaborate on documents with someone 3,000 miles away?

Desktop Sharing
Question: How do I give a presentation when I'm 3,000 miles away from the office?

Wakeup Call
Question: How do I program my VoIP solution to send me wake up calls?

Torture Telemarketers
Question: How do prank telemarketers?

Have fun trying some of these out.

Adam "voiploser" Uzelac

Supposedly the 'Top 15 geek blog sites'

Thu, 03 May 2007 15:52:55 +0000

Located at the computerworld website is a list of the "Top 15 Geek Blogs" Though this is clearly a subjective listing, contained in the list are some nuggets of proper nerd-ness! ;) Summary below from the article:

WARNING - OBLIGATORY SELF PLUG: Note for the reader - should this list been authored by yours truly, then it would have contained 'http://blogs.globalcrossing.com/voiploser'

I also don't know why they omitted Slashdot and possibly CNET - but CNET doesn't have the same geek-level attraction as the others...

Adam "voiploser" Uzelac

1) Lifehacker
www.lifehacker.com
Lifehackers' motto says it all: "Don't live to geek, geek to live." This blog offers timesavers of just about every stripe, from Firefox shortcuts to tips from the "Getting things done" faithful.

2) IT Toolbox Blogs
http://blogs.ittoolbox.com
IT Toolbox has a number of "in the trenches" IT pros who talk about technology and management issues. There are specialist blogs dealing with security, databases and project management, among other subjects. It's a versatile site.

3) Valleywag
http://valleywag.com
Bring in the noise, bring in the snark. Valleywag is for those who believe that the tech industry lives or dies by the scuttlebutt pinging around Silicon Valley. And it's amusing for those of us who prefer that the lotus-eaters of Northern California stick with the dishing and tongue-wagging, leaving the rest of us to get the real work done.

4) Kotaku
http://kotaku.com
Kotaku is the snarky, gamer uber-blog. It has everything from reviews and gossip to cheat tips. Just about anything you'll ever need, including which game to buy and how to play it.

5) Danger Room
http://blog.wired.com/defense
Wired's military and defense blog writes about some of the coolest and scariest military technologies -- not to mention scandals, debates and other military news. Lots of video and imagery are included.

6) Gizmodo
http://gizmodo.com
Gizmodo's got the scoop on all the latest toys and cool and wacky inventions -- from high-def TVs and coffee makers to booze belts and USB drives. You've got to love a site that publishes photos of a solar-powered bathing suit. Yeah, they also blog about serious technology news too.

7) O'Reilly Radar
http://radar.oreilly.com
This is where you can read Tim O'Reilly (founder of O'Reilly publishing) and others discuss networking, programming, open source, intellectual property, politics and Web 2.0, emerging technology.

8) Techdirt
http://www.techdirt.com
Techdirt is a newsy, "tell it like it is" blog that frequently features debates on the hot issues in the Internet and computer fields. Scandals are a specialty. Simplicity is its hallmark.

9) Groklaw
http://www.groklaw.net
Groklaw's raison d'etre is needling SCO in its long-running legal fights against IBM and Novell, but the discussion sometimes veers toward other issues that involve technology, intellectual property, and government regulations.

10) Hack a Day
http://www.hackaday.com
Want to learn how to add USB to a cheap Linux router? Create a snake robot? How about an XBox 360 laptop? Hack a Day has these basement projects and many more. This site is for the serious techie. At the same time, it's good for a laugh or a new hobby.

11) Engadget
http://www.engadget.com
As Coke is to Pepsi, so Engadget is to Gizmodo. It's all about gear, gossip, techish issues and the occasional rant. It's got great product photos, and the editors have access to pre- and early-release gadgetry. Also, some really funny home-made junk. But we prefer Gizmodo.

12) Feedster
www.feedster.com/feedpapers/Technology
Like drinking from the hose. This Web page brings together blog sites about technology, sports, celebrity gossip, food, personal experiences -- you name it. It also offers a blog search feature that allows you to input words or phrases, and it has a very cool RSS aggregator for news feeds. It also injects some great humor into technology news. An all-around great site.

13) Forever Geek
http://forevergeek.com
Forever Geek is a great site with a myriad blogs on diverse topics, from technology and general interest news to movie and game reviews. Definitely a geek paradise. If you want to learn about the upcoming Iron Man movie or read a review of Photoshop CS3, this is the place to go.

14) Rough Type
www.roughtype.com
Nick Carr -- of "Does IT Matter?" fame -- has a sharp-minded blog that discusses all manner of issues and trends relating to technology. Always an entertaining read, Rough Type often locks horns with companies, people, technologies and policies that rub Carr the wrong way.

15) Smorgasbord
www.smorgasbord.net
Billed as a site for gadget- and game-loving geeks, this blog also serves up articles that cross over into the political and celebrity news of the day. The combination of entertainment value and tech news make Smorgasbord a top contender.

Honorable mentions:

1) The Unofficial Apple Weblog (TUAW)
www.tuaw.com
TUAW offers collection of independent bloggers -- that is independent but not undecided or uninformed. It's a good source for Apple-related news. The only reason it didn't make the top 15 was its singular topic focus.

2) Elliot Back's blog
http://elliottback.com/wp
A self-professed computer scientist, Elliot posts everything from his opinions on why XML sucks, to the Titanic's passenger list and reviews of movies like 300. This site is diverse and well composed, offering great tips on topics such as increasing system performance and blocking spam.

3) Ed Foster's Gripelog
www.gripe2ed.com/scoop
There is a new crop of blogs that highlight poor customer service for consumer electronics, bad UIs and outright rip-offs, but Ed Foster has been doing it longer than anyone else. Check out these recent topics: Defective DRM, tricky warranties on plasma TVs and bad mobile phone service.

4) Gadgetell
www.gadgetell.com
This is a great site if you want to get the latest gadget and game news along with some topical opinion pieces.

5) 4sysops
http://4sysops.com
This is a very useful with well-written tips and how-to's for Windows admins.

The Politics of VoIP in Developing Nations

Thu, 03 May 2007 13:29:55 +0000

The Politics of VoIP in Developing Nations

Recently I had an opportunity to meet with a native of Malawi. The meeting came about due to a group of visiting “ambassadors” from Africa. One of the participants was a gentleman by the name of Frank Mvalo. Per his bio:

Frank Mvalo from Malawiworks in the private sector in management and IT systems as a management consultant. During the exchange, Franks wants to learn more on strategic management and business planning, monitoring tools for the field of development, and the management of IT development projects. Frank speaks 3 languages and is married with one child. (http://www.rotary7120.org/GSETeams.cfm)

He requested a series of meetings with folks while in the US that are in the IT and Telecommunications field. The visit was organized by the Group Study Exchange (GSE) program of the Rotary Foundation. While I am not a Rotarian, I know a number of people that are. They reached out to me, and earlier this week I sat down with Frank for lunch to discuss telecommunications technologies like VoIP, and it’s potential applicability in developing nations like Malawi. The conversation quickly moved away from the technology to regulations. I learned in areas of the world where the impacts of technological advances could have the greatest impact, prohibitive regulations by corrupt governments in these developing nations prove to be the biggest stumbling block.

Later that evening, as a result of this eye-opening discussion, I decided to learn more. I performed a simple google search with the key-words “voip in third world countries” – and of the 1million plus hits, result number 1 and 3 are titled:

1) » Third World VoIP blocking has the stench of corruption 2) Techdirt: Put Down The VoIP Phone, And Come Out With Your Hands Up

From the first article:

“Namibia is the latest nation to go absolutely convulsive over the prospect of some of its citizens bypassing the local phone monopoly by selling and using VoIP. Five people have been busted.”

At a time when the digital divide widens between the haves and have nots, it’s sad to see that technical innovation is stifled at times when bridge building across the divide needs to take place. Should you read more, you will see that it’s not just policies of the third world nations, but also restrictions of financial backers. Frankly, the whole thing reeks of corruption.

Adam "voiploser" Uzelac

Very Comprehensive Open Source Telephony List

Thu, 19 Apr 2007 17:06:11 +0000

While polishing off my morning cup o' joe, I stumbled across this phenomenal list of Open Source Telephony projects.

I am a big fan of open source projects in general, and I have a special interest in telephony-related projects. The main reason for my excited interest is the historical perception and impression that voice/VoIP features, services and applications are terribly complicated, when the reality is different. Open source projects create opportunities for people to explore in the world of telephony without the usual barriers. So what’s happening out there are folks that normally systems and data (IP) focused can and are not just dipping their toes into telephony, but are jumping into the deep-end off the high diving board into the swimming pool of telephony. Historically (think old-school) the folks that dealt with telephony knew TDM very well, but couldn’t spell IP. With more and more systems and data folks embracing telephony and bringing IP heritage to telephony discussions, a new perspective is introduced – a new and refreshing perspective. By the way, we here within Global Crossing’s engineering teams use some of these open-source applications everyday and all day.

Adam Uzelac

Here’s they are listed out:

FreeSWITCH -
YATE -

Linux

Ekiga -

MacOS X

XMeeting -

Windows

OpenH323 Project - H.323 Gatekeeper

OpenH323 Gatekeeper -

H.232 Radius Platform

BSDRadius -

SIP Clients (User Agents)

Multi-Platform

SFLphone -
Linphone -
Minisip –
OpenWengo -
PhoneGaim -
sipXtapi -
OpenZoep -

Linux

Cockatoo -
YeaPhone -
Twinkle -

Windows

1videoConference -

SIP Proxies

Open Source SIP -
Partysip -
MjSip -
OpenSER -
SIP Express Router -
Siproxd -

SIP Protocol Stacks and Libraries

SIP Test Tools

The following tools basically test SIP applications and devices, but each one is different in how it tests the protocols and in their focuses and additional applications:

IAX Clients (User Agents)

IAXComm -
Kiax -
QtIAX -
MozIAX -.
YakaSoftware -

IAX/PBX Library

IAXClient -

RTP Proxies

Maxim Sobolev's RTPproxy -

RTP Protocol Stacks

JRTPLIB -
oRTP -
GNU ccRTP -
Vovida RTP Stack -
RTPlib -.

PBX Platforms

Asterisk -

OpenPBX.org 1.2 RC3 -

Open Source Software PBX -

PBX4Linux -

SIPxchange -

sipX -

IVR Platforms

GNU Bayonne -

CT Server -

Voicemail Apps

lintad -

Linux Voicemail/OpenUMS -

VOCP System -

OpenVXI -

Speech Software

The Festival Speech Synthesis System -

OpenSALT -

CMU Sphinx Projects -

Fax Servers

HylaFAX -

AstFax -

Development Stacks

OpenSS7 -

ooh323c -

++Skype Library -

OpenBloX™ -

Middleware

MobiCent -

Ernie -

SIP Thor -