19 Operation on an ISDN Access
ARGUS 152
255
Other causes are not shown in clear text, rather as decimal codes (see ”ARGUS Error
Messages (DSS1)" on page 382).
21
Call reject
The call is actively rejected
28
Wrong number
Wrong call number format or call number is
incomplete
31
Norm. clearing
Unspecified “normal class” (Dummy)
34
No B chan.avail.
No circuit / B channel available
44
Req.chan.unavail
Requested B channel not available
50
Req.fac.not subs
Requested supplementary service (facility) not
subscribed
57
BC not authoriz.
Requested bearer capability is not enabled
63
Srv./opt.n.avail
Unspecified for “Service not available” or “Option not
available”
69
Req.fac.not impl.
Requested facility is not supported
88
Incompat. Dest.
Incompatible destination
102
Timer expired
Error handling routine started due to time-out
111
Protocol error
Unspecified for “protocol error class”
127
Interworking err
Unspecified for “interworking class”