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Event Data
Issue 1 June 2005 163
Cause Value 87
[0x57/0xD7] -
User not a member of the Closed User Group [CUG]
The packet mode call was rejected because the user is not a member of the remote end’s
Closed User Group (CUG), which is a feature associated with packet mode calls similar to X.25
connection made over the ISDN D-channel.
Communication Manager does not support packet mode sessions on D-channels, therefore this
is not applicable to Communication Manager.
Cause Value 88
[0x58/0xD8] -
Incompatible destination
The call could not be completed because the call request in the SETUP message has low layer
compatibility, high layer compatibility, or other compatibility attributes (for example, data rate,
DN, or sub-address information) which the remote endpoint or network cannot accommodate.
This Cause Value has end-to-end significance and should always be passed back through the
network to the user.
Troubleshooting
● Check Communication Manager administration (network generated the Cause Value).
- Route pattern: An incorrect ITC and/or BCIE specified, these fields affect how the bearer
capability is encoded in the SETUP message.
- The ITC administered on the originating endpoint might be incorrect for this call, and/or
the speed options in the device itself might be incorrect for calls over these ISDN
facilities.
- Incorrect data speed option is set in the BRI device, causing a call from a BRI endpoint
tandeming through Communication Manager to create a SETUP message with the
wrong bearer capability.
- A call tandeming through Communication Manager ISDN trunk group to ISDN trunk
group might have a bearer capability that is not supported by the outgoing ISDN facilities
or network.
- A call tandeming through Communication Manager on a non-ISDN trunk group
inter-working to an ISDN trunk group might have an incorrect bearer capability assigned
on the incoming trunk group. The BC and ITC fields on the incoming trunk group might
be set wrong.
● Communication Manager administration that can affect sending this Cause Value:
- The extension number assigned in Communication Manager that was received in the
incoming SETUP message for this data call is assigned to an analog extension.
- The extension number assigned in Communication Manager that was received in the
incoming SETUP message for this voice call is assigned to a data extension.