SRS -2100 Q.931 Logging Codes (

Appendix F

Definitions of the different fields shown in the normal format of the History mode follow:

nT>N: Transmission message identifier for terminal-to- network messages. The value n is 1 for voice calls and 2 for data calls. This identifier is followed by the abbreviated message and a list of up to six related information element codes. Table F-1 explains the different abbreviated messages. Table F-2 lists and defines the information element codes.

nN>T: Reception message identifier for network-to- terminal messages. The value n is 1 for voice calls and 2 for data calls. This identifier is followed by the abbreviated message and a list of up to six related information element codes. Table F-1 explains the different abbreviated messages. Table F-2 lists and defines the information element codes.

CR: Call reference number

Page F-2

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Fujitsu SRS-2100 manual F-2