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14 Operation on an ISDN Access
ARGUS 145
PLUS
267
If the outgoing call is not successful, it is not possible to make a statement about an
incoming call. Therefore, you will never see “- +” or “- *” on the display.
If an error of error class A occurs (see “Error Messages” on page 264) the Service test will
be aborted.
-
An outgoing call with this service is not possible
This is the error class D without allocation of a B-channel.
+ *
The call was sent successfully, the call back or call to the remote end failed
(e.g., remote end busy or no B-channel available for the call back).
*
Wrong number, no B-channel available or other error
This is an error class B, C or D without allocation of a B-channel.