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Event Data
Issue 1 June 2005 143
Cause Value 19
[0x13/0x93] -
User alerting no answer
The remote device returned an alerting [ringing] indication but did not provide a connect
indication within the period of time prescribed by timer T301.
Communication Manager never originates this Cause Value.
Troubleshooting
Wait and retry the call later.
Cause Value 20
[0x14/0x94] -
Subscriber absent [wireless networks]
The mobile remote device/endpoint is not available.
Troubleshooting
Wait and try the call again later.
Cause Value 21
[0x15/0x95] -
Call rejected
The remote endpoint did not accept this call, even though the equipment is neither busy nor
incompatible and it could have accepted the call.
Check the diagnostic information (DIAG) for the user-supplied condition for why the call was
rejected. See Cause Values and their meanings/interpretations
on page 128.
Cause Value 22
[0x16/0x96] -
Number changed
The called party number was changed to a new number.
Cause Value 01
appears if the ISDN network does not support Cause Value 22.
A BRI or Adjunct Switch Application Interface (ASAI) application might generate Cause Value
22. Communication Manager does not originate Cause Value 22 for PRI.
This Cause Value has end-to-end significance and should always be passed back through the
network to the user.
Check the diagnostic information (DIAG) for the new number. See Cause Values and their
meanings/interpretations on page 128.