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SAILOR TT-3084A Fleet 77 SAILOR TT-3086A Fleet 55 - Polaris-as.dk

SAILOR TT-3084A Fleet 77 SAILOR TT-3086A Fleet 55 - Polaris-as.dk

SAILOR TT-3084A Fleet 77 SAILOR TT-3086A Fleet 55 - Polaris-as.dk

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Chapter 6: Troubleshooting<br />

Cause code Description Event<br />

15C8 Reserved<br />

15C9 LES is clearing the call because a<br />

“authentication reply” message (type<br />

B6H) h<strong>as</strong> not been received by the LES<br />

within the allowed time limit.<br />

15CA LES is clearing the call because a<br />

“notification acknowledge” message<br />

(type BAH) h<strong>as</strong> not been received by<br />

the LES within the allowed time limit.<br />

15CB LES is clearing the call because the<br />

request sequence number contained<br />

in the received “notification<br />

acknowledge” message (type BAH) is<br />

not valid (i.e. either not ‘0’ or not the<br />

next value in the sequence).<br />

15CF LES is clearing the call because MES<br />

connect messages have not been<br />

received from the MES following<br />

transmission of Channel Alert<br />

messages or LES connect messages<br />

used to establish a subsequent 56/64<br />

kbit/s call multiplexed onto a single<br />

carrier.<br />

15D1 Message with<br />

unrecognized<br />

parameter,<br />

discarded.<br />

148 List of Error messages<br />

LES is rejecting the call because the<br />

“Channel Assignment” message<br />

received from the NCS contains<br />

inappropriate or conflicting<br />

information.

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