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Event Data
Issue 1 June 2005 135
See also Cause Value 22 on page 143 and Cause Value 56 on page 154.
Troubleshooting
● Check the numbers sent to see if any prefixes or service values that were needed to
access the network were not sent.
● Check the Cause Value Information Element (LOC). See Location Codes on page 130.
● Check Communication Manager administration.
- Dial-plan/Location: The home NPA is administered incorrectly, causing incorrect code
conversion.
- IXC: The IXC matching pattern is administered incorrectly or not at all on the dial-plan,
causing incorrect IXC manipulation.
- AAR/ARS digit conversion: The wrong digit string substitution is being made. The call is
being routed into the wrong network and over the wrong route pattern. Further
conversion is needed, but the dial string is restricted from further conversion.
- AAR/ARS digit analysis: Call type is incorrect for the call being made specifying the
wrong type of number and/or number plan information, or it is preventing code
conversion from taking place. Call is being routed to the incorrect route pattern where the
incorrect digit manipulation and/or code conversion is taking place.
- ARS toll analysis: Toll/no toll classification is incorrect, causing incorrect code conversion
at the route pattern.
- Route pattern: Incorrect code conversion due to wrong entries in NPA, prefix mark, and
toll list/prefix mark fields. Deleting the wrong number of digits or inserting the wrong
digits. Failing to strip IXC or international code digits, stripping a user-dialed IXC code, or
IXC forcing the call to the wrong interexchange carrier.
- Trunk Group: The incorrect service or feature is specified for the call being made on a
CBC trunk group preference. The number format is being changed to a format incorrect
for the call type.
Cause Value 02
[0x2/0x82] -
No route to specified transit network/
Calling party off hold (5ESS: 5 Electronic Switching System)
The ISDN service provider’s equipment cannot route the call through the specified network. The
network either does not exist or is not compatible with the ISDN service provider’s equipment.
This Cause Value has local significance only. The ISDN network between the user and the
equipment generating the Cause Value might:
● Send no cause indication through the network.
● Send a more generic Cause Value through the network.
Because this Cause Value has only local significance, on tandem calls Communication
Manager might map it to Cause Value 31
instead of passing it back through the network.