Central Site Remote Access Switch 713
C
AUSE
C
ODES
T
ABLE
19
13
no answer from device (device alerted)
Indicates that the destination has responded to the connection
request but has failed to complete the connection within the
prescribed time. Problem at remote end.
21
15
call rejected
Indicates that the destination was capable of accepting the call (was
neither busy nor incompatible) but rejected the call for some reason.
22
16
number changed
Indicates that the ISDN number used to set up the call is no longer
assigned to any system. If an alternate address has been assigned to
the called equipment, this may be returned in the diagnostic field of
this message.
23
17
reverse charging rejected
24
18
call suspended
25
19
call resumed
26
1A
non-selected device clearing
Indicates that the destination was capable of accepting the call (was
neither busy nor incompatible) but rejected the call because it was
not awarded to the device.
27
1B
destination out of order
Indicates that the destination could not be reached because the
interface was not functioning correctly and a signaling message
could not be delivered for some reason. This may be a temporary
fault but one that is expected to last a relatively long time. For
example, equipment off-line.
28
1C
invalid number format (incomplete number)
Indicates that the connection could not be established because the
destination address was presented in an unrecognized format or
because the destination address was incomplete.
29
1D
facility rejected
Indicates that the facility requested by the device could not be
provided by the network. This could be a subscription problem.
30
1E
response to STATUS INQUIRY
Indicates that the status message was generated in direct response to
the prior receipt of a status enquire message.
31
1F
normal, unspecified
Reports the occurrence of a normal event when no standard cause
applies. No action required.
33
21
circuit out of order
Dec Value
Hex Value
Q.931 Cause