KVH Industries TracPhone F55 - Manual (Page 105)

Troubleshooting List of Error messages
6
Cause Code Description Event
12C4 Protocol error.
Unspecified MES is clearing the call because the
"authentication query" ISU message (type
B4H) and/or the "authentication query"
SSU message (type B5H) have not been
received by the MES within the allowed
time limit
12C5 Protocol error.
Unspecified MES is clearing the call because an
expected supplementary services SU(s)
has(have) not been received by the MES
within the allowed time limit
12C6 Protocol error.
Unspecified MES is clearing the call because the
“supplementary services interrogation”
ISU (type B2H), and/or “subscriber digits”
SSU (type ADH) messages have not been
received by the MES within the allowed
time limit
12C7 Protocol error.
Unspecified MES is clearing the call because a “SCPC
channel release” SU (type 8AH) has not
been received by the MES, in response to
the transmission of a "notification
acknowledge" message (type BAH) during
the supplementary services call diversion
information retrieval process, within the
allowed time limit
12D1 Protocol error,
unspecified. LES is rejecting the call because the "spot-
beam ID" information received from the
MES is invalid (i.e., ID is not allocated on
satellite in use)
12D2 Protocol error. LES is clearing the call because the
"Scrambling Vector" information received
94 May 2005