Video conference gets corrupted about 2 minutes in. iChat 3 and 4 both.

I've been experiencing this with my mom and we can't figure out what the trick is.
She can video conference with my sister for a long time and never run into this issue.
I can video conference with anyone else for a long time and never run into this issue.
It only happens between my mom and I when we talk. After about a minute or two her video goes bad and it's hard to continue talking. She says my video is fine, and I can hear her, though the audio cuts in and out too.
I took a screen shot of what it looks like and put it on my site here:
http://www.briancovalt.com/scary.jpg
Does anyone have an idea of what's happening. She has a 2 year old iBook (I think 1.07Ghz G4). I'm using both a MacBook Pro Core 2 Duo (built in iSight) and a Quad-Core G5 (iSight attached on top) - the problem happens with both machines.
We just upgraded her router to the newest Airport basestation. She's got a super quick cable connection.
I'm using a Linksys router with a fast DSL connection at home (opened up my ports for iChat), and at work I'm connected to our blazing fast network.
Any ideas or suggestions?
Thanks,
Brian,.

wow, thanks for the answer. It did it.
At first I thought you said to keep the bandwidth at no limit, so I just made the first change and we still experienced the problem. Then I re-read your suggestion and saw that you said to limit it at 500. After doing that we were able to chat without a problem.
Do you mind explaining that though? It doesn't make sense to me. I thought that if the video was getting corrupted it'd be because there wasn't enough bandwidth, and the last thing I'd think to do is to cap it.
Thanks again for the answer, it saved us from total confusion.
Brian.,

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Can't initiate a video conference from Mac to PC wtih iChat and AIM

I am using iChat on an iMac intel core duo and trying to video chat with my dad on a PC laptop using AIM 5.9. We can both invite the other to video chat, however when either one click to accept various things keep us from initiating the chat. One message we get says a firewall may be the problem. My firewall is turned off. He is running Norton. But we tried with that firewall turned off as well as the windows firewall tirned off. At the moment we are on the same network connected via a 2wire router (Myself wirelessly and he via ehternet). I have tried various settings with the router firewall including setting the PC to DMZ and the Mac to the settings specified on portforwarding.com.
When I initiate the conversation from the Mac he gets a brief flicker like the video window is opening and then it closes; meanwhile my computer says waiting for response until it gives up. When he initiates the video chat and I accept I get the message that the chat failed because I did not respond even thougth I clicked accept. He gets a mesage that the chat failed and the reason may be a firewall.
Any ideas on how to get this to work so that we are able to video chat. Also he will be returning home in a few days and using a linksys router.
Any help or ideas to try would be great

Dear Ralph,
Sorry for the confusion, I did assume you were an Apple empoyee. Your knowledge about iChat is stunning. I appreciate your effort to help users by sharing your knowledge with such dedication. I do apologise.
Regarding:
Port forwarding is being automated and static ip addresses will be generated automatically.
Let's call it redirection (the handshake indicates the port to forward to).
When you have NAT running in your home you have the entire Internet available to all your machines. What if you have a machine behind the NAT gateway that needs to be accessed from outside? This is where redirection comes in. Redirection allows incoming traffic to be sent to a machine behind the NAT gateway.
An example:
rdr on tl0 proto tcp from any to any port 80 -> 192.168.1.20
This line redirects TCP port 80 (web server) traffic to a machine inside the network at 192.168.1.20. So, even though 192.168.1.20 is behind your gateway and inside your network, the outside world can access it.
The from any to any part of the above rdr line can be quite useful. If you know what addresses or subnets are supposed to have access to the web server at port 80, you can restrict them here:
rdr on tl0 proto tcp from 27.146.49.0/24 to any port 80 -> \
192.168.1.20
This will redirect only the specified subnet. Note this implies you can redirect different incoming hosts to different machines behind the gateway. This can be quite useful. For example, you could have users at remote sites access their own desktop computers using the same port and IP address on the gateway as long as you know the IP address they will be connecting from:
rdr on tl0 proto tcp from 27.146.49.14 to any port 80 -> \
192.168.1.20
rdr on tl0 proto tcp from 16.114.4.89 to any port 80 -> \
192.168.1.22
rdr on tl0 proto tcp from 24.2.74.178 to any port 80 -> \
192.168.1.23
A range of ports can also be redirected within the same rule:
rdr on tl0 proto tcp from any to any port 5000:5500 -> \
192.168.1.20
rdr on tl0 proto tcp from any to any port 5000:5500 -> \
192.168.1.20 port 6000
rdr on tl0 proto tcp from any to any port 5000:5500 -> \
192.168.1.20 port 7000:*
These examples show ports 5000 to 5500 inclusive being redirected to 192.168.1.20. In rule #1, port 5000 is redirected to 5000, 5001 to 5001, etc. In rule #2, the entire port range is redirected to port 6000. And in rule #3, port 5000 is redirected to 7000, 5001 to 7001, etc.
Static ip addresses are necissary to ensure that the router does not hand out the same ip twice, hence my question about the data transferred when a user connects his new mac to the one wich was set previously by the user (or other user). I think this information is explained in the Network Traffic Analysis you direct iChat to when they are asked to port forward (manually). I do not know the url by heart but it should be a known link to you.
Regarding auto response:
Sometimes you have to consider whether a very direct (and unelegant) interveniance in the software outweights the malfunction of an application that is causing a lot of trouble and inconvinience to Mac users. Personally I think that in this case the risk of being disturbed (still the same as anyone who askes for attention using chat or even phone) outweighs the much more irritating and incomprehensible "user did not respond" message and thus not being able to use one of the main features promised and promoted by Apple.
Yes life is inconsistent,
at least life is not sold to you.
Regards,
JPM

Wierd problem with video playback getting corrupted

I have a "week 38" iPod Touch 16 that didn't exhibit any negative black issues or other problems.
But ever since I did the 1.1.1 update I sometimes get weird psychedelic colors in the dark areas of the video playback (iTunes purchases or YouTube). A reset (holding both buttons for 10 seconds) solves the problem, but it will sometimes come back a few days later.
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Is there a way to have multi person video conference involving a buddy that's using AIM 5.9 on a PC?
If I'm on a video chat with another iChat buddy and try to invite a AIM-on-PC buddy, it simply doesn't work. If I'm on a video chat with the AIM-on-PC buddy, the plus sign is grayed out. I can otherwise easily support a four-way video conference, so long it involves only iChats...

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I am using 3 volume setup on my 750GB HD. First one for OSX (HFS+), second for data (exFAT) and last one for Windows 7 (FAT32 -> NTFS).
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Does anyone have same experience? Can it cause some application?
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Had some issues with corrupted exFAT partition that Disk Utility said it couldn't repair.
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2012-09-06 21:35:31 +0200: Starting repair tool:
2012-09-06 21:35:31 +0200: Checking file system2012-09-06 21:35:31 +0200: ** /dev/disk0s4
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2012-09-06 21:35:31 +0200:
Looked like crazy on the net for solutions but couldn't find any. I started to poke around in the terminal and ran this:
fsck_exfat -d disk0s4
The -d flag is the debug flag and it gave me hope. I saw all my files flashing by and after a while I got this question:
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When I work with my D4s raw images in Lightroom 5.4 (latest update), they seem to get corrupted.
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JeromeG wrote:
Once in lightroom and working with the images, some of them suddenly showed as corrupt.
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Images getting corrupted in Lightroom

When review a shoot in Lightroom, I've noticed a bunch of images are getting corrupted, maybe 1 in 500 and end up looking like the enclosed example.
What's even wierder is that if I delete the file and then import the same file from a back up drive, it is corrupted in the same way.
Weirder still is that I then take the raw file off another backup and place it on the desktop, bypass Lightroom and open the raw in Bridge, I end up with the same corruption.
It does not seem to be inherintly corrupted from the original capture because whe I originally imported the file into Lightroom, the preview looks fine. Then, I click on the file to enlarge it or something and it turns like this.
Anyone have any ideas what is going on here? I could almost buy the theory of a corrupted drive but, replacing the files frmo another drive still results in the corruption so, not sure what to think. Scary though becasue if this problem accelerates, I could lose my whole archive theoretically.

Keith,
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To oneword: Those backups that are also corrupt. How did they get to their backup locations?
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iMac will not start following OS X 10.9.4 update - takes 30 minutes to load with spinning wheel and progress bar and then when it appears to be finished it powers off?

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IChat video conference question?

I have a couple of and maybe some dumb questions.
I manage a small office with 3 Dell desktop windows XP Pro computers and 2 Macs (1-iMac 1000GHz & 1-Powerbook G4 1000GHz, both 10.4.8) and one Savin Office scanner/copy machine. The one Windows XP computer works as the server for the Savin copier. All are assigned static IP addresses. I'm presently running a Linksys wireless router WRT54G. We have several other seperate locations associated with the business where we would like to be able to video conference with iChat.
I use to be able to iChat (video & audio) with the office computers for about a year and a half from my office but after changing the Linksys router from an older non-wireless version to the newer wireless version WRT-54G vers. 5, I can no longer Video or Audio iChat with the office on either of the 2 Macs listed above (text chating is no problem). The 2 office computers can no longer Video or Audio iChat with any other locations any where (but they can within the office, machine to machine). After exhaustive research, I'm convinced it is the Router.
I was thinking of getting the new Airport Extreme base station with N, that Apple is now advertising, to see if this works. My first question is, will it work with the Savin Office copier/scanner like the Linksys does? Is it any different in setting up than say the Linksys?
Is this more of a HOME piece of equipment or can I really use it in an office setting that is truely cross platform. (all computers file share with each other, particularly with the one XP machine that is the server for the Savin scanner.)
Will I have any problems at all with iChat.
I know there are a lot of questions but I really don't want to spend the money and disrupt the office if there is any anticipation of problems.
The business is a Day Care Center with 9 locations so the Video & Audio chat is important to the kids and the office personnel.
If this will work flawlessly, I would go ahead and replace the 10 routers for the 10 different centers we have, so everyone can Video & Audio iChat.
Thanks for your help.
Jim

I use to be able to iChat (video & audio) with the office computers for about a year and a half from my office but after changing the Linksys router from an older non-wireless version to the newer wireless version WRT-54G vers. 5, I can no longer Video or Audio iChat with the office on either of the 2 Macs listed above (text chating is no problem). The 2 office computers can no longer Video or Audio iChat with any other locations any where (but they can within the office, machine to machine). After exhaustive research, I'm convinced it is the Router.
Might it be that you just don't have the proper ports opened on the Linksys router to allow for both the audio & video portions of iChat? The following site is a great tool in setting up ports for specific routers, including your Linksys: http://portforward.com/default.htm
I was thinking of getting the new Airport Extreme base station with N, that Apple is now advertising, to see if this works. My first question is, will it work with the Savin Office copier/scanner like the Linksys does? Is it any different in setting up than say the Linksys?
I am assuming that your Savin copier is Ethernet-enabled. Since the new AirPort Extreme Base Station (AEBS) provides three Ethernet LAN ports, it should function similiarly to the Linksys to provide network access to the Savin. Since it a different device, there will be differences on setup. For example, the previous AirPort base station relied on the AirPort utilities for setup...and not a web-based one like the Linksys do. This is expected to be the same for the new model.
Is this more of a HOME piece of equipment or can I really use it in an office setting that is truely cross platform. (all computers file share with each other, particularly with the one XP machine that is the server for the Savin scanner.)
I would treat the AEBS no different than your current Linksys. Would you consider the Linksys a "HOME" piece of equipment? The AEBS should fit in quite well in a business environment as it does in a home one.
Will I have any problems at all with iChat.
As long as you have the proper ports opened on BOTH your hardware AND software firewalls, should shoudn't have any problems with iChat.

IChat video conference corporate firewall help please!

Hi Folks,
I'm trying to get an iChat video conference going, and I keep getting the pesky Error -8 problem. Here's the info i have:
- My computer is an intel iMac. The other computer is an intel MacBook Pro, both have all software updates installed and built-in iSight cameras.
- I am behind a corporate firewall. The other computer is not, but is on a very speedy internet connection.
- Both mac firewalls are completely off.
- I had corporate IT disable the firewall on the IP address of this computer (not even just the proper ports, but entirely disable it), and it's still giving me connection errors.
Anybody got any idea what the heck I can do to get these computers to play nice?
Thanks!
Mac OS X (10.4.7)

Hi loudguitars,
Welcome to the Apple Discussions
I apologise for any delay in getting to you.
iChat requires that ports are open in a modem or any interveening router. This is in addition to any Firewall the device may have.
These same ports need opening in any router or modem.
In addition to this the System Preferences > Quicktime > Streaming tab speed setting neds to match your download speed or a max of 1.5Mb/T1/Intranet/LAN if you are faster.
This will sometimes return error 8 although error 22 is more likely.
Error 8 effectively tells you that the connection can not be made because the ports are not open.
This in itself can be because of NAT problems.
IF you have a Router and a separate moem that both use NAT (Port Forwarding, Port Triggering or DMZ) in combo at your end or yor Buddy does there will be problems. The Log tells you little as to which problem it actually is.
If your ISP offers a VoIP service it may block port 5060 until you pay for their service. (Many ISPs believe only Internet phone services use this protocol).
In further addition if you and your Buddy have not Used NAT more than once at your respective ens it can be that if you are both still using a method that involves NAT that the two devices still don't "Play Nicely" due to the fact there are about 6 different ways of doing NAT and you may have two device that just don't get on.
If you have UPnP then use that.
Note: If the ISP NATs the service to you (normally with NON static, DHCP issued IP addresses) then this will count as One NAT at your end.
Apple did change iChat to version 3.1.5 with the 10.4.7 update. It was supposed to help in this area but I would say they moved in the wrong direction.
If you have a modem that has QUality of Service (QoS) or Denial of Service Attack protection and the settings for this are something you can alter then consider increasing that size of the amount of data that can get through as this can impinge of iChat due to the amount of data in a Video conference.
12:28 PM Wednesday; August 2, 2006

Video conference gets corrupted about 2 minutes in. iChat 3 and 4 both.

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