On 29 May 2003, Steven Critchfield wrote: > On Thu, 2003-05-29 at 10:44, Charles E. Youse wrote: > > B8ZS is required for PRI. It's a digital service and can not handle the > > loss of data required for AMI. > > I wasn't aware that AMI lost data. AMI just inverts polarity on the line > for every other 1. B8ZS does the same thing but intentionally introduces > errors on the line to maintain 1's density. Neither one is lossy. >
AMI is lossy. When the ones density in the signal is too low, AMI will insert ones to ensure that the far end does not lose sync. C. _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users
