A lot of different things can cause voice quality issues. When using SIP a variety of things could be to blame, and not at all easy to track down. Causes of poor sip voice quality can be one of the following : 1. VoIP to Analogue convertor A loss of signal always occurs when you… View Article

When dealing with USB backups, I would traditionally just mount and rsync to the device, with a simple script like this : mount /dev/sdc1 /mnt rsync /home /mnt umount /dev This approach fails though when the device is unplugged while backups are working (the device name will change from /dev/sdc1 to /dev/sdd1), or if a… View Article

THE DD COMMANDThe dd command copies an amount of data block by block. The most basic syntax is:Format# dd if=xxxxx of=yyyyy bs=zzzzzz( Where if=xxxxx is the source, of=yyyyy is the target and bs= both read and write zzzzz bytes at a time )Examples:Copy a hard disk partition to another hard disk:# dd if=/dev/hda2 of=/dev/hdb2 bs=4096… View Article

I had same problem using Windows 2003 SP1 and terminal server. Based on previous comments, I have found some solution to this. Someone mentioned it could be related to problem in registry at [HKEY_CURRENT_USERSoftwareMicrosoftWindows NTCurrentVersionWindows] a advised to export this key from working user profile to non-working one. So I tried it and worked like… View Article