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<DIV><SPAN class=826022610-03052010><FONT face=Arial
size=2>hi,</FONT></SPAN></DIV>
<DIV><SPAN class=826022610-03052010><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=826022610-03052010><FONT face=Arial size=2>tests with layer 3
pointed out a problem. when i select a cell, i get updates of system
informations, paging requests and immediate assignments. after about half an
hour, i get some corrupt frames. i don't know yet what is
wrong.</FONT></SPAN></DIV>
<DIV><SPAN class=826022610-03052010><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=826022610-03052010><FONT face=Arial size=2>1. is the
communication between the layer 1 and layer 2 (over serial link)
secure?</FONT></SPAN></DIV>
<DIV><SPAN class=826022610-03052010><FONT face=Arial size=2>2. i must be sure
that a message between layers always are:</FONT></SPAN></DIV>
<DIV><SPAN class=826022610-03052010><FONT face=Arial size=2> - never get
lost (except unit-data or data when connection is aborted)</FONT></SPAN></DIV>
<DIV><SPAN class=826022610-03052010><FONT face=Arial size=2> - never are
corrupt</FONT></SPAN></DIV>
<DIV><SPAN class=826022610-03052010><FONT face=Arial size=2> - received in
the order they are sent</FONT></SPAN></DIV>
<DIV><SPAN class=826022610-03052010><FONT face=Arial size=2>3. does layer 1 drop
(bcch) frames, if they have biterrors? (as it should do)</FONT></SPAN></DIV>
<DIV><SPAN class=826022610-03052010><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><FONT face=Arial size=2><SPAN
class=826022610-03052010>andreas</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=826022610-03052010></SPAN></FONT> </DIV>
<DIV class=Section1>
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