Polycom SoundStation2 EX, FX, VS4000 Integrator's Reference Manual page 128

Integrators' Reference Manual for ViewStation EX, ViewStation FX, and VS4000
118
Table 6-7. ISDN Call Status Codes (Continued)
Code Cause
91 Invalid transit
network
specified
95 Invalid
message,
unspecified
96 Mandatory
information
element is
missing
97 Message type
nonexistent or
not
implemented
98 Message
incompatible
with call state or
message type
nonexistent
99 Information
element
nonexistent or
not
implemented
100 Invalid
information
element
contents
101 Message not
compatible with
call state
Definition
The ISDN exchange was asked to route the
call through an unrecognized intermediate
network.
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.
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.
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.
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.
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.
The equipment received a message that
includes invalid information in the
information element. This is usually due to a
D-channel error.
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.
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