GSM 09.02 - Version 5.3.0 - Digital cellular telecommunications - ETSI

CUG Index
Page 119
GSM 09.02 version 5.3.0: August 1996
In the case of an Incoming Call, this parameter will only be present, if CUG information has been received
in the incoming call setup request. The CUG Index will be passed to the called subscriber in the call setup
signalling. This information may also be present for an outgoing call, this indicates that a CUG has been
implicitly invoked. As an operator option, this information may be returned to the calling user but will not be
passed to the call destination (ref. TS GSM 03.85).
GSM Bearer Capability
This is the Bearer Capability received by the VLR in the MAP-PROVIDE-ROAMING-NUMBER service.
Two GSM Bearer Capabilities may be supplied. This parameter will only be present for incoming call setup
and if the information is available.
Network Signal Info
This will only be present if the information is available and GSM BC is not provided. This is the Network
Signal Info received by the VLR in the MAP-PROVIDE-ROAMING-NUMBER service. This parameter is
only applicable for incoming call setup.
No Reply Condition Time
This parameter is only included for incoming call setup and if the call forwarding on no reply service is
active.
SS-Data List
This is a list of SS-Data and will only be passed if the information is available (i.e. Phase 2 supplementary
services such as number identification services, CUG and Advice of Charge).
CUG Interlock
This parameter will only be present for outgoing call setup. This is the result of the conversion by the VLR,
of the CUG Index originally supplied by the MS.
CUG Outgoing Access
This parameter may be present but only if the CUG Interlock code is also provided.
User error
This parameter is sent by the responder when an error is detected and if present, takes one of the
following values:
- No Subscriber Reply;
- Radio Congestion;
- Busy Subscriber;
- Data Missing;
- Unexpected Data Value.
See subclause 5.6 for a definition of these reasons.
Provider error
These are defined in subclause 5.6.