Hi all,

I encounter a confused problem abort the LAP connection, 
If someone could give me any hint. Thanks a lot. 

The IrDA Modem and Nokia 6110 always reject my LAP connection 
request by response a frame "xx 53". (here, the xx is the 
connection id my LAP created).

before issue a connection request, I got the device address of
the peer by IrDA discovery procedure. The IrDA MODEM has been 
tested on Window 95 by dialing to ISP through the IrDA Modem.

The LAP connection request frame is:
ff 93   a3 c8 97 ac   4d 19 55 14   c2     // header, saddr, daddr, cid
head      saddr          daddr      cid

01 01 02   82 01 01   83 01 04   84 01 7f  // the first 4 parameters
 baud       maxtt      dsize     winsize

85 01 ff   86 01 03   08 01 06             // the last 3 parameters
 abofs      mintt       ltd

And the wraped frame is:
ff ff ff ff ff ff ff ff ff ff ff c0 ff 93 a3 c8 
97 ac 4d 19 55 14 c2 01 01 02 82 01 01 83 01 04 
84 01 7f 85 01 ff 86 01 03 08 01 06 5b 3d c1 

The reject frame (unwraped) from the Modem or 6110 is:
c2 53


I don't known why? if the frame format error? (No), if the peer 
did not accept the parameters I provided (No, I try almost all 
the combination)? ...



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