Nortel Meridian Meridian 1 Maintenance Manual page 240

228 Chapter 4: Diagnosing faults
553-3211-510 Standard 1.0 October 1998
Normally there will be at least two messages displayed: an Application
Registration message and an Application Registration Response
message.
3 If there is no response, verify that the association ID located in byte
five of the Application Registration message is set to
Also verify that the following bytes appear somewhere in the
Application Registration message: 05 09 78 32 35 64 65 73 74. Inform
the host application programmer if there is a problem.
4 If the last three bytes of the Application Registration Response
message are 71 03 00, the application has registered successfully.
5 If the last four bytes of the Application Registration Response message
(it might be an ÒInvalid MessageÓ message) are 78 04 XX XX where
XX XX is any number, the registration has failed.
The cause of the failure can be determined from the cause value (the
last two bytes, for example, 0003) of the message. The information
below describes a course of action to take for each cause value listed.
Note: Host vendors can refer to the Meridian Link Interface
Specification for information on decoding Meridian Link messages.
¥ 0003 indicates Meridian Link did not recognize the message from
the host application. Verify that the message type in the
Application Registration message located in bytes eight and nine
contains the hexadecimal value 0101.
¥ 0004 indicates unrecognized information was found in the
Application Registration message. Verify that the Application
Registration message only contains the following information
Header
Service ID
Process ID
Association password
Host ID
MSL-1 Machine ID
MSL-1 Customer number
00.