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CPA5781 - Line &23 on Network Interface &30 not contacted. A protocol error has occurred. (C N R) ( OS/400 )

CPA5781 - Line &23 on Network Interface &30 not contacted. A protocol error has occurred. (C N R) ( OS/400 )

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Message : CPA5781
Line &23 on Network Interface &30 not contacted. A protocol error has occurred. (C N R)

Message Long Text :

Cause . . . . . : The system has detected a protocol error. Possible causes for this error are:
-- No response from peer
-- Network congestion
-- Telephone line quality
-- Call error
-- Call equipment
-- Remote equipment
-- Incorrect or error response from the network or remote user
-- Incomplete message, or STATUS message indicating error
The ISDN cause code associated with the call is &41 (&43 &44).
Recovery . . . : Reply to the message.
If the problem continues, press F14 to run problem analysis.
Possible choices for replying to message . . . . . . . . . . . . . . . :
R -- Try the dial operation to the remote ISDN system again using line &23.
C -- Cancel the dial attempt to the remote ISDN system. Any applications and subsystems that are waiting for an operation will be informed that the call has been canceled.
N -- Retry the dial attempt to the remote ISDN system. Depending on the values specified for the switched line list (SWTLINLST) and the switched line selection (SWTLINSLCT) parameters configured in each controller description, the system may choose a different line description to complete the call. The SWTLINSLCT parameter is only valid for X.25 configurations.
Technical description . . . . . . . . : The error log identifier is &22. The error code is &40: The system has detected a Q.931 protocol error in the data from NT.
The ISDN cause information element is: &42.

Message File : QCPFMSG
Library Message File : QSYS2924


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