Linux Based IP Videophone 93
Meltoast writes "As reported in Communications Convergence Magazine, Innomedia has launched the MTA 3368 IP Videophone. It's 4-inch TFT color LCD can deliver video up to 768 kpbs and with a Linux based OS it supports video streaming, gaming, IM, HTTP, SNMP, TFTP, FTP and Telnet."
Video phones-- do people really want them? (Score:1, Funny)
Had it been a videophone that could have been MIGHTY embarassing!
Re:Video phones-- do people really want them? (Score:2, Funny)
I personally like to masturbate furiously while listening to the mellow tones of my personal phone bankers voice. if we had videophones, I'd hardly be able to keep THAT up now, would I?
Re:Video phones-- do people really want them? (Score:1)
They may enjoy it as much as you do
Re:Video phones-- do people really want them? (Score:1)
Re:Video phones-- do people really want them? (Score:1, Interesting)
Recently, H.320 videoconferencing has eliminated several >$5000 business trips to Asia, in the place where I work now. Face to face is very important in Big Business today and videoconferencing (when it works properly) can save a bundle.
Seriously... Go look at how expensive a round trip flight to Japan is for a days notice. Not cheap...
Re:Video phones-- do people really want them? (Score:2)
Travelocity.com. SFO-NRT 6-Feb, NRT-SFO 14-Feb. Round-trip fare $750 on ANA, Japan Airlines, United, American, Northwest, and Air Canada.
How much cheaper could it get? Best I've ever gotten on that route was $550 with 3 weeks advance purchase in the Early December Dead Zone.
Re:Video phones-- do people really want them? (Score:2)
I can't help remembering that the only Picturephone(tm) that I ever saw is sitting in a museum. (The Museum of Science and Industry in Chicago, IL if you're curious.)
Re:Video phones-- do people really want them? (Score:1)
The deaf community use videophones for sign language.
British sign language is not a representation of english, it is a language by itself. So rather than using written english (in ICQ), many people would rather use their first language in a video call.
There is also a project to allow remote video interpreting services for deaf people.
Tim
Re:Video phones-- do people really want them? (Score:2)
However, if this supports gaming, H.323, T.120, etc. it could be very usefulo in other ways as well, and the videophone aspect would not be its main selling point.
BTW, I am building myself a videophone because I am one fo those few who actually has some need for something like this. BUt it will also do a lot of other things (Audio telephone to VOIP, unified messaging, etc.) that are also real needs I have.
Re:Video phones-- do people really want them? (Score:1)
its the same think, but more sofisticada...
some times i hate mi cellular
hah (Score:1)
Next-generation p0rn (Score:2, Insightful)
The wonders of technology! :o)
don't panic (Score:4, Funny)
Second thought. . . phone sex without video is kinda like having the lights off. Even I'm sexy with the lights off.
Just think of how phone sex would be... (Score:1)
You know... (Score:4, Insightful)
Re:You know... (Score:2)
Re:You know... (Score:1)
D'oh! My bad. I hereby bequeath all insightful karma gained from this post to you.
How about this scenario: Over-caffeinated sysadmin patches 802.11b card to video-phone, drives around block and makes calls...nah. Never happen.
Re:You know... (Score:2)
Think of the bright side (Score:2)
A few idiots drive headlong into semi's, off embankments, etc...
Video phones catch their last few moments
Phone video is captured on tape, whatever
There is thereafter a very good visible deterrent. Yes, somebody will still do it, but I'm guess that some people would think twice about chatting on the videophone whilst driving after seeing a few ads of their predecessors being crushed in a metal tin can.
Re:Think of the bright side (Score:2)
In fact, (and I'm not picking on you - your point made sense), court mandated driver education for adults (in lieu of penalty for 'first offenders') don't use such films *because* the studies show them to be ineffective. Our schools continue to use them for essentially the same reasons schools do such a poor job of educating in general (compared to what they *could* and *should* do)
SIP? (Score:4, Interesting)
H323 is dead. Should be, anyway.
Re:SIP? (Score:1)
It's not old. SIP and H.323 are the same age--circa 1996--and are based on the same underlying packet-switched technology. H.323 grew up faster, although SIP is catching up.
Re:SIP? (Score:2, Informative)
H.323 is horribly difficult, expensive to implement - it requires ASN.1 encoding and multiple complex channels and layers of protocol - and while it may not be dead, it has very little momentum compared to SIP.
Supporting h.323 isn't bad... it's a nice feature for backwards compatability. But SIP is clearly something that should be found in a fancy new $1600 x over IP gizmo.
Even Microsofts latest MSN messenger does SIP!
Re:SIP? (Score:1)
The is the wishful mantra of SIPfolk, but it's not true. H.323 is no more expensive or difficult to implement than SIP.
So? SIP requires ABNF and SDP encoding. An H.323 ASN.1 codec can be smaller (first-hand experience) and faster (there is a benchmark [asn1.org] comparing text and binary encodings similar to SIP and H.323) than a SIP ABNF/SDP codec, and it always results in much smaller messages. SIP painted itself into a corner with text encoding. Because of its rather large messages, entities have to transmit messages via TCP or UDP on a message-by-message basis. Geez, what a hack!
Like what? H.323 sets up the call on a call-signaling channel, which is the part that is equivalent to SIP. Call control (sort of like SDP) is done on another channel or tunneled within the call-signaling channel, ala SDP encapsulated within SIP. Media uses RTP/RTCP, just like SIP. If you want alias resolution, you use RAS to talk to a gatekeeper the same way that SIP resolves URLs with a location server. And what do you mean by "layers of protocol?"
H.323 provides many many more billable call minutes than SIP and will continue to do so for the foreseeable future. Check out these lists of H.323 service providers [h323forum.org] and products [h323forum.org].
Even Microsofts latest MSN messenger does SIP!
It's not SIP, it's SIP-based like the way they support every other standard.
Re:SIP? (Score:4, Informative)
Re:SIP? (Score:1)
One of the best SIP devices are the Snom 100 (195 ukp) and Snom 200 (215 ukp).
http://www.provu.co.uk/snom100.html
http://www
These only do voice though, but are business class phones.
SIP really becomes powerful when SIP is running on the phone (which is how the Snom's do it). At lot of the big names do systems where you still need their PBX system in the middle.
I did a SIP overview document which can be read at
http://www.provu.co.uk/sipoverview.html
Tim
Re:SIP? (Score:2)
Another disadvantage of being the first SIP videophone would be lack of interop; you couldn't call all those NetMeeting, Polycom, Pictel, etc. videophones.
Re:SIP? (Score:1)
If you've ever watched a live QuickTime stream, your video was set up with SDP/RTSP. Setting up a SIP session is identical, except that the both sides supply set up SDP.
Perhaps you're thinking about SIP's lack of codec negotiations. This was fixed quite a while ago with the OPTION message, yet some anti SIP papers persist with this view.
You're right about H.323 interop. It's the primary barrier to using SIP for video conferencing clients.
Re:SIP? (Score:2)
Once you have a user agent (endpoint / phone) that groks audio SDP, you just need an appropriate way to render video and you have a video phone if that's what you want. If you want to exchange chess moves by SIP, you can do that too. It's just about establishing a session (out of band from the signalling).
You can read more in the actual RFC 3261 [rfc-editor.org].
Why H.323 isn't dead; Microsoft and SIP (Score:1)
However, the consolidation of the video conferencing industry into a single major player (Polycom) means that Polycom sets the defacto standard. Why should Polycom help small players out by adopting SIP, when they've already invested the required time and money to support H.323?
SIP is popular among smaller internet telephony vendors, and of course Microsoft supports a bastardized version of SIP. Look for more SIP support from Microsoft in the near future.
MS support gives SIP credibility, but it's a double-edged sword: what kind of Window-isms will MS inject into their new SIP implementation...?
Re:Why H.323 isn't dead; Microsoft and SIP (Score:1)
Interoperability: SIP is not more interoperable than H.323. Geez, I think their up to 13 or 14 interop events so far, and I've heard from those in attendance that SIP interoperability is getting harder and harder to achieve.
Patents: There are no patents that I am aware of regarding H.323. There are, however, patent claims against some codecs used by H.323, e.g., G.723.1 and G.729, but those same codecs are also used by SIP. Moreover, there are several patent claims against SIP (http://www.aful.org/wws/arc/patents/2003-01/msg0
Microsoft: I agree that they will hurt SIP more than help. Note that Messenger is merely SIP-based.
IMO, the emperor has no clothes.
Not true (Score:1)
Not true. I've developed two commercial SIP stacks, each about one man year. While I haven't developed an H.323 stack, I've worked with both the OpenH323 [openh323.org] and RadVision [161.58.151.216] H.323 stacks, and SIP is much, much simpler.
To wit, RFC 3261 is the largest RFC ever produced and even larger than the H.323 Recommendation.
I don't have a copy of the H.323 Recommendation because I'm not willing to buy it. However, the ITU's H.323 download page [itu.int] shows that the H.323 spec is 2,112,158 bytes in pdf format, while the latest SIP spec is 1,231,871 bytes. This non-conclusive evidence suggests that the H.323 spec is in fact twice as large as the SIP spec.
Add on all of the supporting RFCs and I-Ds, and you have a real mess. Folks even talk about the mess on the SIP reflectors.
H.323 has numerous annexes as well. Most SIP developers speak highly of the protocol, and while there are problems, I certainly wouldn't call it "a mess".
Interoperability: SIP is not more interoperable than H.323. Geez, I think their up to 13 or 14 interop events so far, and I've heard from those in attendance that SIP interoperability is getting harder and harder to achieve.
I have not seen these kinds of interoperability issues at the interops. I have seen many stacks fail the various torture tests, but this does not preclude interoperability. The only reason H.323 is just now achieving interoperability is because of the consolidation of the video conferencing industry into a single dominate vendor: Polycom.
Patents: There are no patents that I am aware of regarding H.323. There are, however, patent claims against some codecs used by H.323, e.g., G.723.1 and G.729, but those same codecs are also used by SIP.
One difference: H.323 requires support of patened codecs, building in a revenue source for those controlling the standard. SIP has no such codec requirements, although I agree that in practice those same codecs are used by many SIP clients.
Moreover, there are several patent claims against SIP (http://www.aful.org/wws/arc/patents/2003-01/msg0
This is certainly a potential liability, and it is indeed "aful". Interestingly, those filing patents against IETF standards tend to be frozen out of the standards process, which hopefully acts as a deterant.
Microsoft: I agree that they will hurt SIP more than help. Note that Messenger is merely SIP-based.
Hey, we agree about Microsoft! Yes, Messenger is currently SIP-based (in a bastardized way), but as I said, MS is soon moving to more fully embrace SIP. It will be interesting to see what happens...
Re:Not true (Score:1)
Well, I've developed H.323, SIP, MGCP, and H.248/Megaco from the ground up--third-party stacks are for wimps
I don't have a copy of the H.323 Recommendation because I'm not willing to buy it.
There is no need to buy it. For a few years now, the ITU has allowed three free spec downloads per year per email address. Need more than three specs per year? Use another email address--hey, they're free, too!!!
However, the ITU's H.323 download page [itu.int] shows that the H.323 spec is 2,112,158 bytes in pdf format, while the latest SIP spec is 1,231,871 bytes. This non-conclusive evidence suggests that the H.323 spec is in fact twice as large as the SIP spec.
That's unfair. The H.323 spec contains lots of space-consuming diagrams, whereas the SIP spec contains lots of corresponding yet more space efficient ASCII art.
H.323 has numerous annexes as well.
Granted. My point, though, is that whether or not one counts their respective annexes, SIP and H.323 are about the same complexity. SIPfolk thought long ago that H.323 was way too complicated but have found out through a long learning process that it is no more complicated than it needs to be to solve the problem.
Most SIP developers speak highly of the protocol, and while there are problems, I certainly wouldn't call it "a mess".
The same goes for H.323.
I have not seen these kinds of interoperability issues at the interops.
To be fair, I have not attended one, so I must depend on the observations of neutral colleagues.
The only reason H.323 is just now achieving interoperability...
Yeah, right, "just now." H.323 is no less interoperable than SIP, and I say that with first-hand experience of having to assure interoperability with various vendors for both protocols. Hey, these are very complex protocols. Plus, vendors do stupid things with both protocols, but H.323 is not prone to more interop problems than SIP. Why do you think that it is?
H.323 is still the dominant choice of both videoconferencing and VoIP services providers (http://www.h323forum.org/products/service_provid
One difference: H.323 requires support of patened codecs, building in a revenue source for those controlling the standard. SIP has no such codec requirements,
No difference. This is another one of those H.323 SIP maxims that are either totally false or very misleading. If an endpoint supports video (video is not required), it is required to support H.261. Three comments about this. 1. I know of no patent claims against H.261. 2. There are no other requirements with respect to video codecs. 3. Virtually all video-capable endpoints support H.263 even though they are not required to--a few don't even support H.261.
Regarding audio, an endpoint must support G.711 only if the connection end-to-end is high-bit-rate (>=56kbps). Three comments. 1. I know of no patent claims against G.711. 2. There are no other requirements with respect to audio codecs. 3. G.711 is super simple--just a table lookup--so everybody supports it.
Now, why exactly do you believe that H.323 requires the use of patented codecs?
Thank you.
Interestingly, those filing patents against IETF standards tend to be frozen out of the standards process, which hopefully acts as a deterant.
The same thing is happening in H.323. Right now there is a battle being waged for the intellectual liberty of a particular video codec.
It will be interesting to see what happens...
Indeed.
Re:SIP? (Score:1)
A couple of months ago I asked them about SIP on their voice products. They didn't even know what it was.
I use SIP phones everyday, and I desperately want a SIP videophone.
H.323 isn't dead yet for video. For voice it has never really moved - proprietary standards have been the way everything going (until SIP)
There is a lot of professional (like room suite) H.323 kit in, together with gateways, MCU's etc. It isn't going to change overnight.
Tim
TCP stack? (Score:4, Interesting)
In order to prevent man-in-the-middle attacks on an IP videophone running on Linux, you'd have to have such a stateful firewall running on the phone - wouldn't this be a little heavyweight for a phone? Or have they modified Linux to use the BSD TCP-stack?
Re:TCP stack? (Score:1)
Hate to rain on the parade... (Score:4, Insightful)
The only way I'll see this any time soon is if it gets used in the workplace. It is difficult to get Broadband period, let alone "quality-of-service"
price (Score:5, Informative)
http://products.datamation.com/comm
Re:price (Score:1)
There are other manufacturers products on the market with similar specification for less.
The leadtek BVP8770 is about 1100$ The only feature difference I can see is the LDAP client on the innomedia product.
Tim
Yet another... (Score:5, Interesting)
If you have a broadband connection and a laptop, why on earth would you need this? The thing doesn't even use encryption.
I've seen a lot of videophones come and go. Just because it uses Linux, doesn't make it better.
Ok, it does make it better, but would you buy one?
Re:Yet another... (Score:2, Funny)
Re:Yet another... (Score:2)
Re:Yet another... (Score:2)
My phone doesn't have encryption either. How is this different?
I think the only real need (Score:2, Funny)
Telemarketers! (Score:3, Funny)
accident waiting to happen (Score:5, Insightful)
These phones are going to get cracked in a heartbeat.
I can see it now "Honey, why is a naked picture of Anna Kournikova set as the screensaver?"
Re:accident waiting to happen (Score:1, Funny)
Uh, those damn hackers! They musta hacked our phone! Who would do such a thing? I only have eye's for you honey... yeah... that's it!
Re:accident waiting to happen (Score:1)
Thanks
Pardonne
A solution that's ~$1000-$1600 cheaper (Score:5, Insightful)
RH Linux 8.0
Gnome Meeting (it does video and audio conferencing)
Quickcam 3000
Or a Sharp Zaurus using Zmeeting
@ http://zsi2.stonekeep.com/index.php?v=d&a=696 (I believe it does video, as well as audio conferencing)
(Dear Moderators: this ain't a troll, this is about how to do video conferencing while not putting your WALLET on a diet...)
Price is too high, I can build one cheaper! (Score:3, Interesting)
I can build one cheaper:
1 Wall Mart Linux PC $199.00
Video Phone Software Free on Net (Linux based)
WinTV Card $59.00
MiniCamera $60.00
Monitor $99.00
Linux Telphony gateway Software
That's it!
$1,200.00 bucks.. gee this product is overpriced
Re:Price is too high, I can build one cheaper! (Score:3, Insightful)
>> I guess this product is for non technical people.
and those with small desks, and those with a sense of design flow, and those who don't need a desktop PC as their MP3 player, and those who don't need a desktop PC for a wallclock, and those who don't need a desktop PC for their DVD player, and those...
Power requirements (Score:3, Insightful)
firewall problems with NAT (Score:4, Insightful)
Re:firewall problems with NAT (Score:2)
FTP and Telnet? Is this 1985? (Score:5, Insightful)
Re:FTP and Telnet? Is this 1985? (Score:2)
FTP and Telnet aren't the problem. The problem is clear-text authentication (and, depending on the situation, data streams). Other than that, they're perfectly useful protocols. Using versions that solve the clear-text issue while bringing in a whole bunch of other useful features is a viable option for a lot of situations.
Here's what a study found... (Score:3, Informative)
A few weeks after it's initial use, they found that users no longer looked up. They didn't care that the camera was on them, nor did they care that they could see who they were speaking to.
Aside from things like "show me how old Timmy has gotten" or "let's see how bad that black-eye is" I don't see these things taking off anytime soon. They're too proprietary, and nobody's going to plunk down their hard-earned cash for something that maybe 0.00001% of the people they speak with can take advantage of.
telstar
Re:Here's what a study found... (Score:2)
Unless the speaker is using sign language, demonstrating a manual process, or doing a real old-fashioned chalk-talk, nobody needs to see him.
Re:Here's what a study found... (Score:1)
New Project (Score:1)
Thanks.
--Mike
Since the only people... (Score:4, Funny)
Re:Since the only people... (Score:2)
+1, Dilbert Reference! You would have gotten a +2 out of it if you could have made an appropriate Max Headroom quip.
it sounds like a good idea (Score:1)
TFTP Server ?!! (Score:1)
Be a boot server for machines on a LAN ???
powered by ... patented a/v processing tech? (Score:2)
In the same sentence it then says it "allows for worldwide video calls".
Seems to me that's an oxymoron. Worldwide video calls, yes, but only if the other end also has an InnoMedia phone.
Unless they make the "patented a/v technology" available for free to all, you only get to talk to their other customers. Result: Nobody buys it.
Kiss of death.
Linux? (Score:1)
Having said that, if, in fact, the OS is not Linux, that should not in any way reduce the value of the device.
IT HAS A CORD??? (Score:2)
From the far-too-much-information department. (Score:1)