Polycom ViewStation EX4000 - Manual (Page 128)

Integrators’ Reference Manual for ViewStation EX, ViewStation FX, and VS4000
118 www.polycom.com
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.
Table 6-7. ISDN Call Status Codes (Continued)
Code Cause Definition