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Event Data
Issue 1 June 2005 157
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).
- Trunk group: Direction: Communication Manager might be set to “two-way” on a trunk
group the ISDN network has configured as outgoing only, relative to the CO switch, and a
user on Communication Manager is attempting to make an outgoing call over this trunk
group, which is an incoming call to the CO.
- On tandem calls through Communication Manager from ISDN trunks to ISDN trunks, an
NSF for a one-way service (for example, Megacom 800) is being tandemed from one
D-channel to the other D-channel. The problem is that the outgoing trunk group is CBC
but no service or feature was specified on the outgoing route pattern to overwrite the
incoming NSF. Add the correct service or feature to the route pattern or make the
outgoing trunk group a static trunk group (for example, public-network or tie) as
appropriate.
Cause Value 62
[0x3E/0xBE] -
Service not authorized (VN4: French National PRI)/
Call rejected (1TR6: AT&T ISDN Protocol)
This Cause Value has end-to-end significance and should always be passed back through the
network to the user.
Cause Value 62 (VN4) indicates that the call could not be completed because the user has not
subscribed to the service, feature, or supplementary service requested in the SETUP message.
If the user is supposed to have access to this service, feature, or supplementary service, then
complete the required ordering process with the ISDN service provider.
Cause Value 62 (1TR6) indicates that the remote endpoint does not wish to accept this call,
although it could have accepted the call because the equipment is neither busy nor
incompatible.
The diagnostic information (DIAG) might be populated with the user-supplied condition for why
the call was rejected. See Cause Values and their meanings/interpretations
on page 128.
Cause Value 63
[0x3F/0xBF] -
Service or option not available, unspecified
This Cause Value indicates that the requested service or option is unavailable when no other
cause in the Service or option not available class applies.
As an implementation option, this Cause Value shall either be passed to the user or mapped to
Cause Value 41
(Temporary Failure) when it is received at a CO as part of SS7 call handling.
Communication Manager does not originate Cause Value 63.