Polycom VSX Series - Manual (Page 218)

Administrator’s Guide for the VSX Series
Appendix - 14
86 Call having
requested call
identity has been
cleared The network received a call resume request
containing a call identity information element for a
call that was cleared while suspended, either by
timeout or by the remote user.
88 Incompatible
destination Indicates that an attempt was made to connect to
non-ISDN equipment, such as an analog line.
91 Invalid transit
network specified The ISDN exchange was asked to route the call
through an unrecognized intermediate network.
95 Invalid message,
unspecified An invalid message was received, for an unknown
reason. This is usually due to a D-channel error. If
this error occurs systematically, report it to your
ISDN service provider.
96 Mandatory
information element
is missing The equipment received a message that did not
include one of the mandatory information
elements. This is usually due to a D-channel error.
If this error occurs systematically, report it to your
ISDN service provider.
97 Message type
nonexistent or not
implemented The equipment received a message of a type that
is invalid or not supported. This code indicates
either a problem with the remote configuration or a
problem with the local D channel.
98 Message
incompatible with
call state or
message type
nonexistent The equipment received a message that is not
valid in the current call state. Cause 98 is usually
due to a D-channel error. If this error occurs
systematically, report it to your ISDN service
provider.
99 Information element
nonexistent or not
implemented The equipment received a message that includes
information elements which were not recognized.
This is usually due to a D-channel error. If this
error occurs systematically, report it to your ISDN
service provider.
100 Invalid information
element contents The equipment received a message that includes
invalid information in the information element. This
is usually due to a D-channel error.
101 Message not
compatible with call
state The remote equipment received a message that
does not correspond to the current state of the
connection. This is usually due to a D-channel
error.
102 Recovery on timer
expiry A time-out has triggered an error-handling
(recovery) procedure. This problem is typically
temporary.
111 Protocol error,
unspecified An unspecified D-channel error when no other
standard cause applies.
Code Cause Definition